135451807272 has 96 divisors (see below), whose sum is σ = 396593277600. Its totient is φ = 41618178432.

The previous prime is 135451807261. The next prime is 135451807277. The reversal of 135451807272 is 272708154531.

135451807272 is a `hidden beast` number, since 1 + 3 + 545 + 1 + 80 + 7 + 27 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (135451807277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1287418 + ... + 1388649.

It is an arithmetic number, because the mean of its divisors is an integer number (4131179975).

Almost surely, 2^135451807272 is an apocalyptic number.

135451807272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135451807272 is an abundant number, since it is smaller than the sum of its proper divisors (261141470328).

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

135451807272 is a wasteful number, since it uses less digits than its factorization.

135451807272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676135 (or 2676128 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 135451807272 in words is "one hundred thirty-five billion, four hundred fifty-one million, eight hundred seven thousand, two hundred seventy-two".