136404132 has 24 divisors (see below), whose sum is σ = 318545472. Its totient is φ = 45429600.

The previous prime is 136404131. The next prime is 136404133. The reversal of 136404132 is 231404631.

It is an interprime number because it is at equal distance from previous prime (136404131) and next prime (136404133).

It is not an unprimeable number, because it can be changed into a prime (136404131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12457 + ... + 20687.

It is an arithmetic number, because the mean of its divisors is an integer number (13272728).

Almost surely, 2^136404132 is an apocalyptic number.

136404132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136404132 is an abundant number, since it is smaller than the sum of its proper divisors (182141340).

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

136404132 is a wasteful number, since it uses less digits than its factorization.

136404132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619 (or 9617 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 136404132 is about 11679.2179532707. The cubic root of 136404132 is about 514.7651953777.

Adding to 136404132 its reverse (231404631), we get a palindrome (367808763).

The spelling of 136404132 in words is "one hundred thirty-six million, four hundred four thousand, one hundred thirty-two".