139316645890 has 16 divisors (see below), whose sum is σ = 250805999808. Its totient is φ = 55718650096.

The previous prime is 139316645873. The next prime is 139316645891. The reversal of 139316645890 is 98546613931.

It is not an unprimeable number, because it can be changed into a prime (139316645891) 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, 927712 + ... + 1067371.

It is an arithmetic number, because the mean of its divisors is an integer number (15675374988).

Almost surely, 2^139316645890 is an apocalyptic number.

139316645890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139316645890 is a deficient number, since it is larger than the sum of its proper divisors (111489353918).

139316645890 is a wasteful number, since it uses less digits than its factorization.

139316645890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002073.

The product of its (nonzero) digits is 4199040, while the sum is 55.

It can be divided in two parts, 1393166 and 45890, that added together give a triangular number (1439056 = T₁₆₉₆).

The spelling of 139316645890 in words is "one hundred thirty-nine billion, three hundred sixteen million, six hundred forty-five thousand, eight hundred ninety".