135312912501 has 16 divisors (see below), whose sum is σ = 194694455424. Its totient is φ = 83098488384.

The previous prime is 135312912481. The next prime is 135312912521. The reversal of 135312912501 is 105219213531.

It is an interprime number because it is at equal distance from previous prime (135312912481) and next prime (135312912521).

It is not a de Polignac number, because 135312912501 - 2⁶ = 135312912437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135312912521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3543186 + ... + 3581171.

It is an arithmetic number, because the mean of its divisors is an integer number (12168403464).

Almost surely, 2^135312912501 is an apocalyptic number.

It is an amenable number.

135312912501 is a deficient number, since it is larger than the sum of its proper divisors (59381542923).

135312912501 is a wasteful number, since it uses less digits than its factorization.

135312912501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124860.

The product of its (nonzero) digits is 8100, while the sum is 33.

It can be divided in two parts, 135 and 312912501, that added together give a triangular number (312912636 = T₂₅₀₁₆).

The spelling of 135312912501 in words is "one hundred thirty-five billion, three hundred twelve million, nine hundred twelve thousand, five hundred one".