136129465552 has 20 divisors (see below), whose sum is σ = 263791303776. Its totient is φ = 68054290400.

The previous prime is 136129465513. The next prime is 136129465559. The reversal of 136129465552 is 255564921631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136129465496 and 136129465505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136129465559) 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, 544558 + ... + 754189.

Almost surely, 2^136129465552 is an apocalyptic number.

It is an amenable number.

136129465552 is a deficient number, since it is larger than the sum of its proper divisors (127661838224).

136129465552 is a wasteful number, since it uses less digits than its factorization.

136129465552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305306 (or 1305300 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 49.

The spelling of 136129465552 in words is "one hundred thirty-six billion, one hundred twenty-nine million, four hundred sixty-five thousand, five hundred fifty-two".