136252621254 has 16 divisors (see below), whose sum is σ = 275203315440. Its totient is φ = 44967861600.

The previous prime is 136252621237. The next prime is 136252621289. The reversal of 136252621254 is 452126252631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112419049 + ... + 112420260.

It is an arithmetic number, because the mean of its divisors is an integer number (17200207215).

Almost surely, 2^136252621254 is an apocalyptic number.

136252621254 is an abundant number, since it is smaller than the sum of its proper divisors (138950694186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136252621254 is a wasteful number, since it uses less digits than its factorization.

136252621254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224839415.

The product of its digits is 172800, while the sum is 39.

Adding to 136252621254 its reverse (452126252631), we get a palindrome (588378873885).

The spelling of 136252621254 in words is "one hundred thirty-six billion, two hundred fifty-two million, six hundred twenty-one thousand, two hundred fifty-four".