131635145944 has 32 divisors (see below), whose sum is σ = 259835050800. Its totient is φ = 62346568320.

The previous prime is 131635145911. The next prime is 131635145951. The reversal of 131635145944 is 449541536131.

It is a happy number.

It is a super-2 number, since 2×131635145944² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131635145894 and 131635145903.

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, 1486234 + ... + 1572310.

Almost surely, 2^131635145944 is an apocalyptic number.

It is an amenable number.

131635145944 is a deficient number, since it is larger than the sum of its proper divisors (128199904856).

131635145944 is a wasteful number, since it uses less digits than its factorization.

131635145944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96163 (or 96159 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 131635145944 in words is "one hundred thirty-one billion, six hundred thirty-five million, one hundred forty-five thousand, nine hundred forty-four".