2136501 has 12 divisors (see below), whose sum is σ = 3100812. Its totient is φ = 1417536.

The previous prime is 2136487. The next prime is 2136527. The reversal of 2136501 is 1056312.

2136501 is a `hidden beast` number, since 2 + 13 + 650 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1232100 + 904401 = 1110^2 + 951^2 .

It is not a de Polignac number, because 2136501 - 2⁶ = 2136437 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2065 + ... + 2921.

It is an arithmetic number, because the mean of its divisors is an integer number (258401).

2^2136501 is an apocalyptic number.

It is an amenable number.

2136501 is a deficient number, since it is larger than the sum of its proper divisors (964311).

2136501 is a wasteful number, since it uses less digits than its factorization.

2136501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2136501 is about 1461.6774610016. The cubic root of 2136501 is about 128.7956020321.

It can be divided in two parts, 2 and 136501, that added together give a triangular number (136503 = T₅₂₂).

The spelling of 2136501 in words is "two million, one hundred thirty-six thousand, five hundred one".