136474474631 has 8 divisors (see below), whose sum is σ = 149111362944. Its totient is φ = 123875939320.

The previous prime is 136474474601. The next prime is 136474474637.

136474474631 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 136474474631 - 2⁶ = 136474474567 is a prime.

It is a super-2 number, since 2×136474474631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136474474631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136474474637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9580805 + ... + 9595038.

It is an arithmetic number, because the mean of its divisors is an integer number (18638920368).

Almost surely, 2^136474474631 is an apocalyptic number.

136474474631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136474474631 is a deficient number, since it is larger than the sum of its proper divisors (12636888313).

136474474631 is a wasteful number, since it uses less digits than its factorization.

136474474631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19176501.

The product of its digits is 4064256, while the sum is 50.

The spelling of 136474474631 in words is "one hundred thirty-six billion, four hundred seventy-four million, four hundred seventy-four thousand, six hundred thirty-one".