135391125216 has 48 divisors (see below), whose sum is σ = 355426218000. Its totient is φ = 45127262208.

The previous prime is 135391125193. The next prime is 135391125227. The reversal of 135391125216 is 612521193531.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1662210 + ... + 1741758.

It is an arithmetic number, because the mean of its divisors is an integer number (7404712875).

Almost surely, 2^135391125216 is an apocalyptic number.

135391125216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135391125216 is an abundant number, since it is smaller than the sum of its proper divisors (220035092784).

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

135391125216 is a wasteful number, since it uses less digits than its factorization.

135391125216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97291 (or 97283 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The spelling of 135391125216 in words is "one hundred thirty-five billion, three hundred ninety-one million, one hundred twenty-five thousand, two hundred sixteen".