139086054951 has 8 divisors (see below), whose sum is σ = 185512320384. Its totient is φ = 92691913080.

The previous prime is 139086054941. The next prime is 139086054967. The reversal of 139086054951 is 159450680931.

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

It is not a de Polignac number, because 139086054951 - 2²¹ = 139083957799 is a prime.

It is a super-2 number, since 2×139086054951² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139086054894 and 139086054903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139086054941) 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, 8020785 + ... + 8038106.

It is an arithmetic number, because the mean of its divisors is an integer number (23189040048).

Almost surely, 2^139086054951 is an apocalyptic number.

139086054951 is a deficient number, since it is larger than the sum of its proper divisors (46426265433).

139086054951 is a wasteful number, since it uses less digits than its factorization.

139086054951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16061781.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 139086054951 in words is "one hundred thirty-nine billion, eighty-six million, fifty-four thousand, nine hundred fifty-one".