14626352978139 has 128 divisors (see below), whose sum is σ = 24200321474560. Its totient is φ = 7670376290304.

The previous prime is 14626352978123. The next prime is 14626352978143. The reversal of 14626352978139 is 93187925362641.

It is not a de Polignac number, because 14626352978139 - 2⁴ = 14626352978123 is a prime.

It is a super-2 number, since 2×14626352978139² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14626352978139.

It is not an unprimeable number, because it can be changed into a prime (14626352974139) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7809050307 + ... + 7809052179.

It is an arithmetic number, because the mean of its divisors is an integer number (189065011520).

Almost surely, 2^{14626352978139} is an apocalyptic number.

14626352978139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

14626352978139 is a deficient number, since it is larger than the sum of its proper divisors (9573968496421).

14626352978139 is a wasteful number, since it uses less digits than its factorization.

14626352978139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969.

The product of its digits is 117573120, while the sum is 66.

It can be divided in two parts, 14626352 and 978139, that added together give a triangular number (15604491 = T₅₅₈₆).

The spelling of 14626352978139 in words is "fourteen trillion, six hundred twenty-six billion, three hundred fifty-two million, nine hundred seventy-eight thousand, one hundred thirty-nine".