71492058138 has 16 divisors (see below), whose sum is σ = 150509596320. Its totient is φ = 22576439376.

The previous prime is 71492058101. The next prime is 71492058139. The reversal of 71492058138 is 83185029417.

It is a super-2 number, since 2×71492058138² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71492058139) 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, 313561545 + ... + 313561772.

It is an arithmetic number, because the mean of its divisors is an integer number (9406849770).

Almost surely, 2^71492058138 is an apocalyptic number.

71492058138 is an abundant number, since it is smaller than the sum of its proper divisors (79017538182).

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

71492058138 is a wasteful number, since it uses less digits than its factorization.

71492058138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627123341.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 71492058138 in words is "seventy-one billion, four hundred ninety-two million, fifty-eight thousand, one hundred thirty-eight".