1357148237 has 2 divisors, whose sum is σ = 1357148238. Its totient is φ = 1357148236.

The previous prime is 1357148231. The next prime is 1357148249. The reversal of 1357148237 is 7328417531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067263561 + 289884676 = 32669^2 + 17026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1357148237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1357148194 and 1357148203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1357148231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678574118 + 678574119.

It is an arithmetic number, because the mean of its divisors is an integer number (678574119).

Almost surely, 2^1357148237 is an apocalyptic number.

It is an amenable number.

1357148237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357148237 is an equidigital number, since it uses as much as digits as its factorization.

1357148237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 1357148237 is about 36839.4928982471. The cubic root of 1357148237 is about 1107.1567078519.

The spelling of 1357148237 in words is "one billion, three hundred fifty-seven million, one hundred forty-eight thousand, two hundred thirty-seven".