139471006654 has 32 divisors (see below), whose sum is σ = 253189552896. Its totient is φ = 56250080640.

The previous prime is 139471006621. The next prime is 139471006691. The reversal of 139471006654 is 456600174931.

It is a super-2 number, since 2×139471006654² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2102437 + ... + 2167759.

It is an arithmetic number, because the mean of its divisors is an integer number (7912173528).

Almost surely, 2^139471006654 is an apocalyptic number.

139471006654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139471006654 is a deficient number, since it is larger than the sum of its proper divisors (113718546242).

139471006654 is a wasteful number, since it uses less digits than its factorization.

139471006654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74320.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 139471006654 in words is "one hundred thirty-nine billion, four hundred seventy-one million, six thousand, six hundred fifty-four".