135188514 has 20 divisors (see below), whose sum is σ = 302922774. Its totient is φ = 45062784.

The previous prime is 135188507. The next prime is 135188519. The reversal of 135188514 is 415881531.

135188514 is a `hidden beast` number, since 13 + 51 + 88 + 514 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111830625 + 23357889 = 10575^2 + 4833^2 .

It is not an unprimeable number, because it can be changed into a prime (135188519) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 417087 + ... + 417410.

Almost surely, 2^135188514 is an apocalyptic number.

135188514 is an abundant number, since it is smaller than the sum of its proper divisors (167734260).

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

135188514 is an equidigital number, since it uses as much as digits as its factorization.

135188514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834511 (or 834502 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 135188514 is about 11627.0595594931. The cubic root of 135188514 is about 513.2314539857.

The spelling of 135188514 in words is "one hundred thirty-five million, one hundred eighty-eight thousand, five hundred fourteen".