74135132532 has 36 divisors (see below), whose sum is σ = 188546831200. Its totient is φ = 24560103312.

The previous prime is 74135132531. The next prime is 74135132551. The reversal of 74135132532 is 23523153147.

74135132532 is a `hidden beast` number, since 7 + 41 + 3 + 51 + 32 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74135132531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6311032 + ... + 6322767.

Almost surely, 2^74135132532 is an apocalyptic number.

It is an amenable number.

74135132532 is an abundant number, since it is smaller than the sum of its proper divisors (114411698668).

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

74135132532 is a wasteful number, since it uses less digits than its factorization.

74135132532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633972 (or 12633967 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

Adding to 74135132532 its reverse (23523153147), we get a palindrome (97658285679).

The spelling of 74135132532 in words is "seventy-four billion, one hundred thirty-five million, one hundred thirty-two thousand, five hundred thirty-two".