135651971244 has 12 divisors (see below), whose sum is σ = 316521266264. Its totient is φ = 45217323744.

The previous prime is 135651971243. The next prime is 135651971263. The reversal of 135651971244 is 442179156531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 135651971193 and 135651971202.

It is not an unprimeable number, because it can be changed into a prime (135651971243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5652165457 + ... + 5652165480.

Almost surely, 2^135651971244 is an apocalyptic number.

It is an amenable number.

135651971244 is an abundant number, since it is smaller than the sum of its proper divisors (180869295020).

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

135651971244 is a wasteful number, since it uses less digits than its factorization.

135651971244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304330944 (or 11304330942 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The spelling of 135651971244 in words is "one hundred thirty-five billion, six hundred fifty-one million, nine hundred seventy-one thousand, two hundred forty-four".