1367428957 has 2 divisors, whose sum is σ = 1367428958. Its totient is φ = 1367428956.

The previous prime is 1367428897. The next prime is 1367428963. The reversal of 1367428957 is 7598247631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 842973156 + 524455801 = 29034^2 + 22901^2 .

It is a cyclic number.

It is not a de Polignac number, because 1367428957 - 2²³ = 1359040349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1367428057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683714478 + 683714479.

It is an arithmetic number, because the mean of its divisors is an integer number (683714479).

Almost surely, 2^1367428957 is an apocalyptic number.

It is an amenable number.

1367428957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1367428957 is an equidigital number, since it uses as much as digits as its factorization.

1367428957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The square root of 1367428957 is about 36978.7635947986. The cubic root of 1367428957 is about 1109.9453364310.

The spelling of 1367428957 in words is "one billion, three hundred sixty-seven million, four hundred twenty-eight thousand, nine hundred fifty-seven".