1402344137 has 2 divisors, whose sum is σ = 1402344138. Its totient is φ = 1402344136.

The previous prime is 1402344107. The next prime is 1402344149. The reversal of 1402344137 is 7314432041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1287661456 + 114682681 = 35884^2 + 10709^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402344137 - 2¹⁶ = 1402278601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402344107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701172068 + 701172069.

It is an arithmetic number, because the mean of its divisors is an integer number (701172069).

Almost surely, 2^1402344137 is an apocalyptic number.

It is an amenable number.

1402344137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402344137 is an equidigital number, since it uses as much as digits as its factorization.

1402344137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1402344137 is about 37447.8856145444. The cubic root of 1402344137 is about 1119.3129653881.

Adding to 1402344137 its reverse (7314432041), we get a palindrome (8716776178).

The spelling of 1402344137 in words is "one billion, four hundred two million, three hundred forty-four thousand, one hundred thirty-seven".