135777152 has 32 divisors (see below), whose sum is σ = 309137520. Its totient is φ = 58189824.

The previous prime is 135777139. The next prime is 135777157. The reversal of 135777152 is 251777531.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×135777152² = 36870870010462208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135777157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74873 + ... + 76664.

Almost surely, 2^135777152 is an apocalyptic number.

It is an amenable number.

135777152 is an abundant number, since it is smaller than the sum of its proper divisors (173360368).

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

135777152 is an equidigital number, since it uses as much as digits as its factorization.

135777152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151558 (or 151546 counting only the distinct ones).

The product of its digits is 51450, while the sum is 38.

The square root of 135777152 is about 11652.3453433204. The cubic root of 135777152 is about 513.9752797894.

The spelling of 135777152 in words is "one hundred thirty-five million, seven hundred seventy-seven thousand, one hundred fifty-two".