36640157 has 2 divisors, whose sum is σ = 36640158. Its totient is φ = 36640156.

The previous prime is 36640133. The next prime is 36640159. The reversal of 36640157 is 75104663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31595641 + 5044516 = 5621^2 + 2246^2 .

It is a cyclic number.

It is not a de Polignac number, because 36640157 - 2⁸ = 36639901 is a prime.

It is a super-2 number, since 2×36640157² = 2685002209969298, which contains 22 as substring.

Together with 36640159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36640159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18320078 + 18320079.

It is an arithmetic number, because the mean of its divisors is an integer number (18320079).

Almost surely, 2^36640157 is an apocalyptic number.

It is an amenable number.

36640157 is a deficient number, since it is larger than the sum of its proper divisors (1).

36640157 is an equidigital number, since it uses as much as digits as its factorization.

36640157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 36640157 is about 6053.1113487198. Note that the first 3 decimals coincide. The cubic root of 36640157 is about 332.1384148501.

The spelling of 36640157 in words is "thirty-six million, six hundred forty thousand, one hundred fifty-seven".