74135538112 has 28 divisors (see below), whose sum is σ = 147292000056. Its totient is φ = 37022593280.

The previous prime is 74135538091. The next prime is 74135538133. The reversal of 74135538112 is 21183553147.

It is an interprime number because it is at equal distance from previous prime (74135538091) and next prime (74135538133).

It is a super-2 number, since 2×74135538112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652918 + ... + 758005.

Almost surely, 2^74135538112 is an apocalyptic number.

It is an amenable number.

74135538112 is a deficient number, since it is larger than the sum of its proper divisors (73156461944).

74135538112 is a wasteful number, since it uses less digits than its factorization.

74135538112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411756 (or 1411746 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The spelling of 74135538112 in words is "seventy-four billion, one hundred thirty-five million, five hundred thirty-eight thousand, one hundred twelve".