1357242037 has 2 divisors, whose sum is σ = 1357242038. Its totient is φ = 1357242036.

The previous prime is 1357242023. The next prime is 1357242049. The reversal of 1357242037 is 7302427531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1275989841 + 81252196 = 35721^2 + 9014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1357242037 - 2⁷ = 1357241909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1357241993 and 1357242011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1357248037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678621018 + 678621019.

It is an arithmetic number, because the mean of its divisors is an integer number (678621019).

Almost surely, 2^1357242037 is an apocalyptic number.

It is an amenable number.

1357242037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357242037 is an equidigital number, since it uses as much as digits as its factorization.

1357242037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 1357242037 is about 36840.7659665214. The cubic root of 1357242037 is about 1107.1822144998.

Adding to 1357242037 its reverse (7302427531), we get a palindrome (8659669568).

The spelling of 1357242037 in words is "one billion, three hundred fifty-seven million, two hundred forty-two thousand, thirty-seven".