135552501 has 32 divisors (see below), whose sum is σ = 239493120. Its totient is φ = 74088432.

The previous prime is 135552493. The next prime is 135552503. The reversal of 135552501 is 105255531.

135552501 is a `hidden beast` number, since 135 + 5 + 525 + 0 + 1 = 666.

135552501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135552501 - 2³ = 135552493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135552503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11245 + ... + 19938.

It is an arithmetic number, because the mean of its divisors is an integer number (7484160).

Almost surely, 2^135552501 is an apocalyptic number.

It is an amenable number.

135552501 is a deficient number, since it is larger than the sum of its proper divisors (103940619).

135552501 is a wasteful number, since it uses less digits than its factorization.

135552501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31222 (or 31216 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 135552501 is about 11642.7016194696. The cubic root of 135552501 is about 513.6916562228.

The spelling of 135552501 in words is "one hundred thirty-five million, five hundred fifty-two thousand, five hundred one".