139345604974858 has 16 divisors (see below), whose sum is σ = 223200969039360. Its totient is φ = 65100282634800.

The previous prime is 139345604974817. The next prime is 139345604974883. The reversal of 139345604974858 is 858479406543931.

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, 38750166438 + ... + 38750170033.

It is an arithmetic number, because the mean of its divisors is an integer number (13950060564960).

Almost surely, 2^{139345604974858} is an apocalyptic number.

139345604974858 is a deficient number, since it is larger than the sum of its proper divisors (83855364064502).

139345604974858 is a wasteful number, since it uses less digits than its factorization.

139345604974858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77500336533.

The product of its (nonzero) digits is 3135283200, while the sum is 76.

The spelling of 139345604974858 in words is "one hundred thirty-nine trillion, three hundred forty-five billion, six hundred four million, nine hundred seventy-four thousand, eight hundred fifty-eight".