136401832 has 32 divisors (see below), whose sum is σ = 300193920. Its totient is φ = 56877120.

The previous prime is 136401791. The next prime is 136401833. The reversal of 136401832 is 238104631.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 136401832.

It is not an unprimeable number, because it can be changed into a prime (136401833) 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, 30844 + ... + 34987.

It is an arithmetic number, because the mean of its divisors is an integer number (9381060).

Almost surely, 2^136401832 is an apocalyptic number.

It is an amenable number.

136401832 is an abundant number, since it is smaller than the sum of its proper divisors (163792088).

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

136401832 is a wasteful number, since it uses less digits than its factorization.

136401832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65881 (or 65877 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 136401832 is about 11679.1194873586. The cubic root of 136401832 is about 514.7623020963.

The spelling of 136401832 in words is "one hundred thirty-six million, four hundred one thousand, eight hundred thirty-two".