135200742656 has 36 divisors (see below), whose sum is σ = 308426698272. Its totient is φ = 57943174656.

The previous prime is 135200742653. The next prime is 135200742661. The reversal of 135200742656 is 656247002531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135200742653) 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, 37721630 + ... + 37725213.

Almost surely, 2^135200742656 is an apocalyptic number.

135200742656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135200742656 is an abundant number, since it is smaller than the sum of its proper divisors (173225955616).

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

135200742656 is an frugal number, since it uses more digits than its factorization.

135200742656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75446866 (or 75446852 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 135200742656 in words is "one hundred thirty-five billion, two hundred million, seven hundred forty-two thousand, six hundred fifty-six".