75131951396 has 24 divisors (see below), whose sum is σ = 132290531520. Its totient is φ = 37335242592.

The previous prime is 75131951387. The next prime is 75131951413. The reversal of 75131951396 is 69315913157.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442865 + ... + 588551.

It is an arithmetic number, because the mean of its divisors is an integer number (5512105480).

Almost surely, 2^75131951396 is an apocalyptic number.

It is an amenable number.

75131951396 is a deficient number, since it is larger than the sum of its proper divisors (57158580124).

75131951396 is a wasteful number, since it uses less digits than its factorization.

75131951396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146483 (or 146481 counting only the distinct ones).

The product of its digits is 765450, while the sum is 50.

The spelling of 75131951396 in words is "seventy-five billion, one hundred thirty-one million, nine hundred fifty-one thousand, three hundred ninety-six".