135931514 has 16 divisors (see below), whose sum is σ = 208973952. Its totient is φ = 66278688.

The previous prime is 135931511. The next prime is 135931517. The reversal of 135931514 is 415139531.

It is an interprime number because it is at equal distance from previous prime (135931511) and next prime (135931517).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135931511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94142 + ... + 95574.

It is an arithmetic number, because the mean of its divisors is an integer number (13060872).

Almost surely, 2^135931514 is an apocalyptic number.

135931514 is a deficient number, since it is larger than the sum of its proper divisors (73042438).

135931514 is a wasteful number, since it uses less digits than its factorization.

135931514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581.

The product of its digits is 8100, while the sum is 32.

The square root of 135931514 is about 11658.9671069096. The cubic root of 135931514 is about 514.1699816814.

The spelling of 135931514 in words is "one hundred thirty-five million, nine hundred thirty-one thousand, five hundred fourteen".