139026669938 has 32 divisors (see below), whose sum is σ = 229416316416. Its totient is φ = 62785464768.

The previous prime is 139026669937. The next prime is 139026670007. The reversal of 139026669938 is 839966620931.

It is not an unprimeable number, because it can be changed into a prime (139026669931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6016595 + ... + 6039657.

It is an arithmetic number, because the mean of its divisors is an integer number (7169259888).

Almost surely, 2^139026669938 is an apocalyptic number.

139026669938 is a deficient number, since it is larger than the sum of its proper divisors (90389646478).

139026669938 is a wasteful number, since it uses less digits than its factorization.

139026669938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28058.

The product of its (nonzero) digits is 22674816, while the sum is 62.

The spelling of 139026669938 in words is "one hundred thirty-nine billion, twenty-six million, six hundred sixty-nine thousand, nine hundred thirty-eight".