138442272574 has 8 divisors (see below), whose sum is σ = 207775001448. Its totient is φ = 69183938760.

The previous prime is 138442272557. The next prime is 138442272583. The reversal of 138442272574 is 475272244831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18594112 + ... + 18601555.

It is an arithmetic number, because the mean of its divisors is an integer number (25971875181).

Almost surely, 2^138442272574 is an apocalyptic number.

138442272574 is a deficient number, since it is larger than the sum of its proper divisors (69332728874).

138442272574 is a wasteful number, since it uses less digits than its factorization.

138442272574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37197530.

The product of its digits is 3010560, while the sum is 49.

The spelling of 138442272574 in words is "one hundred thirty-eight billion, four hundred forty-two million, two hundred seventy-two thousand, five hundred seventy-four".