1370138131 has 2 divisors, whose sum is σ = 1370138132. Its totient is φ = 1370138130.

The previous prime is 1370138117. The next prime is 1370138149. The reversal of 1370138131 is 1318310731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1370138131 - 2¹³ = 1370129939 is a prime.

It is a super-2 number, since 2×1370138131² = 3754556996040346322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1370138131.

It is not a weakly prime, because it can be changed into another prime (1370138101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685069065 + 685069066.

It is an arithmetic number, because the mean of its divisors is an integer number (685069066).

Almost surely, 2^1370138131 is an apocalyptic number.

1370138131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370138131 is an equidigital number, since it uses as much as digits as its factorization.

1370138131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1370138131 is about 37015.3769533690. The cubic root of 1370138131 is about 1110.6778672024.

Adding to 1370138131 its reverse (1318310731), we get a palindrome (2688448862).

The spelling of 1370138131 in words is "one billion, three hundred seventy million, one hundred thirty-eight thousand, one hundred thirty-one".