136261622454 has 16 divisors (see below), whose sum is σ = 272533854720. Its totient is φ = 45418772520.

The previous prime is 136261622407. The next prime is 136261622459. The reversal of 136261622454 is 454226162631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136261622459) 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, 269962 + ... + 587709.

It is an arithmetic number, because the mean of its divisors is an integer number (17033365920).

Almost surely, 2^136261622454 is an apocalyptic number.

136261622454 is an abundant number, since it is smaller than the sum of its proper divisors (136272232266).

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

136261622454 is a wasteful number, since it uses less digits than its factorization.

136261622454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884155.

The product of its digits is 414720, while the sum is 42.

The spelling of 136261622454 in words is "one hundred thirty-six billion, two hundred sixty-one million, six hundred twenty-two thousand, four hundred fifty-four".