1395733237 has 2 divisors, whose sum is σ = 1395733238. Its totient is φ = 1395733236.

The previous prime is 1395733231. The next prime is 1395733279. The reversal of 1395733237 is 7323375931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1353209796 + 42523441 = 36786^2 + 6521^2 .

It is a cyclic number.

It is not a de Polignac number, because 1395733237 - 2²⁷ = 1261515509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1395733193 and 1395733202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395733231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697866618 + 697866619.

It is an arithmetic number, because the mean of its divisors is an integer number (697866619).

Almost surely, 2^1395733237 is an apocalyptic number.

It is an amenable number.

1395733237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395733237 is an equidigital number, since it uses as much as digits as its factorization.

1395733237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 43.

The square root of 1395733237 is about 37359.5133399781. The cubic root of 1395733237 is about 1117.5513140175.

The spelling of 1395733237 in words is "one billion, three hundred ninety-five million, seven hundred thirty-three thousand, two hundred thirty-seven".