1358347157 has 2 divisors, whose sum is σ = 1358347158. Its totient is φ = 1358347156.

The previous prime is 1358347129. The next prime is 1358347231. The reversal of 1358347157 is 7517438531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1167520561 + 190826596 = 34169^2 + 13814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1358347157 - 2⁸ = 1358346901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1358347117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 679173578 + 679173579.

It is an arithmetic number, because the mean of its divisors is an integer number (679173579).

Almost surely, 2^1358347157 is an apocalyptic number.

It is an amenable number.

1358347157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1358347157 is an equidigital number, since it uses as much as digits as its factorization.

1358347157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 44.

The square root of 1358347157 is about 36855.7615170274. The cubic root of 1358347157 is about 1107.4826367858.

The spelling of 1358347157 in words is "one billion, three hundred fifty-eight million, three hundred forty-seven thousand, one hundred fifty-seven".