135137015 has 16 divisors (see below), whose sum is σ = 177938208. Its totient is φ = 97908096.

The previous prime is 135137011. The next prime is 135137059. The reversal of 135137015 is 510731531.

It is not a de Polignac number, because 135137015 - 2² = 135137011 is a prime.

It is a super-2 number, since 2×135137015² = 36524025646220450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135137011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16169 + ... + 23058.

It is an arithmetic number, because the mean of its divisors is an integer number (11121138).

Almost surely, 2^135137015 is an apocalyptic number.

135137015 is a deficient number, since it is larger than the sum of its proper divisors (42801193).

135137015 is a wasteful number, since it uses less digits than its factorization.

135137015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39298.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 135137015 is about 11624.8447301459. The cubic root of 135137015 is about 513.1662752148.

Adding to 135137015 its reverse (510731531), we get a palindrome (645868546).

The spelling of 135137015 in words is "one hundred thirty-five million, one hundred thirty-seven thousand, fifteen".