1337145517 has 2 divisors, whose sum is σ = 1337145518. Its totient is φ = 1337145516.

The previous prime is 1337145487. The next prime is 1337145527. The reversal of 1337145517 is 7155417331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1246019401 + 91126116 = 35299^2 + 9546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1337145517 - 2¹⁹ = 1336621229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1337145527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668572758 + 668572759.

It is an arithmetic number, because the mean of its divisors is an integer number (668572759).

Almost surely, 2^1337145517 is an apocalyptic number.

It is an amenable number.

1337145517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337145517 is an equidigital number, since it uses as much as digits as its factorization.

1337145517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 37.

The square root of 1337145517 is about 36567.0003828589. Note that the first 3 decimals coincide. The cubic root of 1337145517 is about 1101.6903809340.

The spelling of 1337145517 in words is "one billion, three hundred thirty-seven million, one hundred forty-five thousand, five hundred seventeen".