154636225121139 has 32 divisors (see below), whose sum is σ = 209418337201920. Its totient is φ = 101474829447552.

The previous prime is 154636225121113. The next prime is 154636225121167. The reversal of 154636225121139 is 931121522636451.

It is not a de Polignac number, because 154636225121139 - 2¹⁷ = 154636224990067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154636225121091 and 154636225121100.

It is not an unprimeable number, because it can be changed into a prime (154636225122139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2170693429 + ... + 2170764665.

It is an arithmetic number, because the mean of its divisors is an integer number (6544323037560).

Almost surely, 2^{154636225121139} is an apocalyptic number.

154636225121139 is a deficient number, since it is larger than the sum of its proper divisors (54782112080781).

154636225121139 is a wasteful number, since it uses less digits than its factorization.

154636225121139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79379.

The product of its digits is 2332800, while the sum is 51.

The spelling of 154636225121139 in words is "one hundred fifty-four trillion, six hundred thirty-six billion, two hundred twenty-five million, one hundred twenty-one thousand, one hundred thirty-nine".