135532572 has 24 divisors (see below), whose sum is σ = 361420416. Its totient is φ = 38723568.

The previous prime is 135532561. The next prime is 135532577. The reversal of 135532572 is 275235531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135532577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806658 + ... + 806825.

It is an arithmetic number, because the mean of its divisors is an integer number (15059184).

Almost surely, 2^135532572 is an apocalyptic number.

135532572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135532572 is an abundant number, since it is smaller than the sum of its proper divisors (225887844).

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

135532572 is a wasteful number, since it uses less digits than its factorization.

135532572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613497 (or 1613495 counting only the distinct ones).

The product of its digits is 31500, while the sum is 33.

The square root of 135532572 is about 11641.8457299519. The cubic root of 135532572 is about 513.6664805831. Note that the first 3 decimals are identical.

The spelling of 135532572 in words is "one hundred thirty-five million, five hundred thirty-two thousand, five hundred seventy-two".