1308960157 has 2 divisors, whose sum is σ = 1308960158. Its totient is φ = 1308960156.

The previous prime is 1308960131. The next prime is 1308960197. The reversal of 1308960157 is 7510698031.

It is an a-pointer prime, because the next prime (1308960197) can be obtained adding 1308960157 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104498756 + 204461401 = 33234^2 + 14299^2 .

It is an emirp because it is prime and its reverse (7510698031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1308960157 is a prime.

It is a super-2 number, since 2×1308960157² = 3426753385226929298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1308960127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654480078 + 654480079.

It is an arithmetic number, because the mean of its divisors is an integer number (654480079).

Almost surely, 2^1308960157 is an apocalyptic number.

It is an amenable number.

1308960157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308960157 is an equidigital number, since it uses as much as digits as its factorization.

1308960157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 1308960157 is about 36179.5544057690. The cubic root of 1308960157 is about 1093.8945933379.

The spelling of 1308960157 in words is "one billion, three hundred eight million, nine hundred sixty thousand, one hundred fifty-seven".