131635012 has 36 divisors (see below), whose sum is σ = 247764636. Its totient is φ = 60981760.

The previous prime is 131635001. The next prime is 131635013. The reversal of 131635012 is 210536131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95922436 + 35712576 = 9794^2 + 5976^2 .

It is not an unprimeable number, because it can be changed into a prime (131635013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468312 + ... + 468592.

It is an arithmetic number, because the mean of its divisors is an integer number (6882351).

Almost surely, 2^131635012 is an apocalyptic number.

It is an amenable number.

131635012 is a deficient number, since it is larger than the sum of its proper divisors (116129624).

131635012 is a wasteful number, since it uses less digits than its factorization.

131635012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 131635012 is about 11473.2302338966. The cubic root of 131635012 is about 508.6946136784.

The spelling of 131635012 in words is "one hundred thirty-one million, six hundred thirty-five thousand, twelve".