136632426440 has 48 divisors (see below), whose sum is σ = 321370364700. Its totient is φ = 52276746368.

The previous prime is 136632426439. The next prime is 136632426523. The reversal of 136632426440 is 44624236631.

It can be written as a sum of positive squares in 2 ways, for example, as 128176888324 + 8455538116 = 358018^2 + 91954^2 .

It is a super-3 number, since 3×136632426440³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3207395 + ... + 3249714.

Almost surely, 2^136632426440 is an apocalyptic number.

136632426440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136632426440 is an abundant number, since it is smaller than the sum of its proper divisors (184737938260).

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

136632426440 is a wasteful number, since it uses less digits than its factorization.

136632426440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457166 (or 6457139 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 136632426440 in words is "one hundred thirty-six billion, six hundred thirty-two million, four hundred twenty-six thousand, four hundred forty".