136723752 has 96 divisors (see below), whose sum is σ = 412663680. Its totient is φ = 40538880.

The previous prime is 136723739. The next prime is 136723771. The reversal of 136723752 is 257327631.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35388 + ... + 39060.

It is an arithmetic number, because the mean of its divisors is an integer number (4298580).

Almost surely, 2^136723752 is an apocalyptic number.

136723752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136723752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206331840).

136723752 is an abundant number, since it is smaller than the sum of its proper divisors (275939928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136723752 is a wasteful number, since it uses less digits than its factorization.

136723752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743 (or 3736 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 136723752 is about 11692.8932262293. The cubic root of 136723752 is about 515.1669449653.

It can be divided in two parts, 13672 and 3752, that added together give a square (17424 = 132²).

The spelling of 136723752 in words is "one hundred thirty-six million, seven hundred twenty-three thousand, seven hundred fifty-two".