135550715 has 32 divisors (see below), whose sum is σ = 172730880. Its totient is φ = 102009600.

The previous prime is 135550699. The next prime is 135550717. The reversal of 135550715 is 517055531.

135550715 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 135550715 - 2⁴ = 135550699 is a prime.

It is a super-2 number, since 2×135550715² = 36747992674022450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135550717) 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, 975116 + ... + 975254.

It is an arithmetic number, because the mean of its divisors is an integer number (5397840).

Almost surely, 2^135550715 is an apocalyptic number.

135550715 is a deficient number, since it is larger than the sum of its proper divisors (37180165).

135550715 is a wasteful number, since it uses less digits than its factorization.

135550715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 13125, while the sum is 32.

The square root of 135550715 is about 11642.6249188059. The cubic root of 135550715 is about 513.6894001293.

The spelling of 135550715 in words is "one hundred thirty-five million, five hundred fifty thousand, seven hundred fifteen".