920015137 has 2 divisors, whose sum is σ = 920015138. Its totient is φ = 920015136.

The previous prime is 920015099. The next prime is 920015141. The reversal of 920015137 is 731510029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 902341521 + 17673616 = 30039^2 + 4204^2 .

It is a cyclic number.

It is not a de Polignac number, because 920015137 - 2¹⁵ = 919982369 is a prime.

It is not a weakly prime, because it can be changed into another prime (920015147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460007568 + 460007569.

It is an arithmetic number, because the mean of its divisors is an integer number (460007569).

Almost surely, 2^920015137 is an apocalyptic number.

It is an amenable number.

920015137 is a deficient number, since it is larger than the sum of its proper divisors (1).

920015137 is an equidigital number, since it uses as much as digits as its factorization.

920015137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 920015137 is about 30331.7513012355. The cubic root of 920015137 is about 972.5941602755.

The spelling of 920015137 in words is "nine hundred twenty million, fifteen thousand, one hundred thirty-seven".