135671920156 has 12 divisors (see below), whose sum is σ = 237482976640. Its totient is φ = 67819641120.

The previous prime is 135671920147. The next prime is 135671920159. The reversal of 135671920156 is 651029176531.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135671920159) 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, 4061025 + ... + 4094296.

Almost surely, 2^135671920156 is an apocalyptic number.

It is an amenable number.

135671920156 is a deficient number, since it is larger than the sum of its proper divisors (101811056484).

135671920156 is a wasteful number, since it uses less digits than its factorization.

135671920156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159484 (or 8159482 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 135671920156 in words is "one hundred thirty-five billion, six hundred seventy-one million, nine hundred twenty thousand, one hundred fifty-six".