36966139 has 8 divisors (see below), whose sum is σ = 43109600. Its totient is φ = 31684968.

The previous prime is 36966131. The next prime is 36966157. The reversal of 36966139 is 93166963.

36966139 = 142² + 143² + ... + 484².

It is not a de Polignac number, because 36966139 - 2³ = 36966131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36966095 and 36966104.

It is not an unprimeable number, because it can be changed into a prime (36966131) 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, 53544 + ... + 54229.

It is an arithmetic number, because the mean of its divisors is an integer number (5388700).

Almost surely, 2^36966139 is an apocalyptic number.

36966139 is a deficient number, since it is larger than the sum of its proper divisors (6143461).

36966139 is an equidigital number, since it uses as much as digits as its factorization.

36966139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107794 (or 107780 counting only the distinct ones).

The product of its digits is 157464, while the sum is 43.

The square root of 36966139 is about 6079.9785361463. The cubic root of 36966139 is about 333.1205033614.

The spelling of 36966139 in words is "thirty-six million, nine hundred sixty-six thousand, one hundred thirty-nine".