136400532 has 12 divisors (see below), whose sum is σ = 318267936. Its totient is φ = 45466840.

The previous prime is 136400513. The next prime is 136400569. The reversal of 136400532 is 235004631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5683344 + ... + 5683367.

It is an arithmetic number, because the mean of its divisors is an integer number (26522328).

Almost surely, 2^136400532 is an apocalyptic number.

136400532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136400532 is an abundant number, since it is smaller than the sum of its proper divisors (181867404).

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

136400532 is a wasteful number, since it uses less digits than its factorization.

136400532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11366718 (or 11366716 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 136400532 is about 11679.0638323455. The cubic root of 136400532 is about 514.7606667490.

The spelling of 136400532 in words is "one hundred thirty-six million, four hundred thousand, five hundred thirty-two".