135331312501 has 16 divisors (see below), whose sum is σ = 168743006208. Its totient is φ = 105441562800.

The previous prime is 135331312451. The next prime is 135331312511. The reversal of 135331312501 is 105213133531.

It is a happy number.

It is not a de Polignac number, because 135331312501 - 2¹³ = 135331304309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135331312501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135331312511) 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, 660016 + ... + 840406.

It is an arithmetic number, because the mean of its divisors is an integer number (10546437888).

Almost surely, 2^135331312501 is an apocalyptic number.

135331312501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

135331312501 is a deficient number, since it is larger than the sum of its proper divisors (33411693707).

135331312501 is a wasteful number, since it uses less digits than its factorization.

135331312501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190152.

The product of its (nonzero) digits is 4050, while the sum is 28.

The spelling of 135331312501 in words is "one hundred thirty-five billion, three hundred thirty-one million, three hundred twelve thousand, five hundred one".