10402137 has 12 divisors (see below), whose sum is σ = 15128100. Its totient is φ = 6887328.

The previous prime is 10402129. The next prime is 10402153. The reversal of 10402137 is 73120401.

It can be written as a sum of positive squares in 2 ways, for example, as 4756761 + 5645376 = 2181^2 + 2376^2 .

It is not a de Polignac number, because 10402137 - 2³ = 10402129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10402037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2538 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (1260675).

Almost surely, 2^10402137 is an apocalyptic number.

It is an amenable number.

10402137 is a deficient number, since it is larger than the sum of its proper divisors (4725963).

10402137 is a wasteful number, since it uses less digits than its factorization.

10402137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7912 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 10402137 is about 3225.2344100856. The cubic root of 10402137 is about 218.2935262716.

Adding to 10402137 its reverse (73120401), we get a palindrome (83522538).

The spelling of 10402137 in words is "ten million, four hundred two thousand, one hundred thirty-seven".