138790674749 has 8 divisors (see below), whose sum is σ = 144852095232. Its totient is φ = 132731507920.

The previous prime is 138790674733. The next prime is 138790674751. The reversal of 138790674749 is 947476097831.

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

It is a cyclic number.

It is not a de Polignac number, because 138790674749 - 2⁴ = 138790674733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138790670749) 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, 436949 + ... + 684474.

It is an arithmetic number, because the mean of its divisors is an integer number (18106511904).

Almost surely, 2^138790674749 is an apocalyptic number.

It is an amenable number.

138790674749 is a deficient number, since it is larger than the sum of its proper divisors (6061420483).

138790674749 is a wasteful number, since it uses less digits than its factorization.

138790674749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126827.

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 138790674749 in words is "one hundred thirty-eight billion, seven hundred ninety million, six hundred seventy-four thousand, seven hundred forty-nine".