339970157 has 2 divisors, whose sum is σ = 339970158. Its totient is φ = 339970156.

The previous prime is 339970117. The next prime is 339970181. The reversal of 339970157 is 751079933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291931396 + 48038761 = 17086^2 + 6931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339970157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339970117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169985078 + 169985079.

It is an arithmetic number, because the mean of its divisors is an integer number (169985079).

Almost surely, 2^339970157 is an apocalyptic number.

It is an amenable number.

339970157 is a deficient number, since it is larger than the sum of its proper divisors (1).

339970157 is an equidigital number, since it uses as much as digits as its factorization.

339970157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 339970157 is about 18438.2796648711. The cubic root of 339970157 is about 697.9327834880.

The spelling of 339970157 in words is "three hundred thirty-nine million, nine hundred seventy thousand, one hundred fifty-seven".