102340137 has 16 divisors (see below), whose sum is σ = 143910720. Its totient is φ = 64512000.

The previous prime is 102340111. The next prime is 102340151. The reversal of 102340137 is 731043201.

It is not a de Polignac number, because 102340137 - 2¹⁰ = 102339113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102340177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35137 + ... + 37937.

It is an arithmetic number, because the mean of its divisors is an integer number (8994420).

Almost surely, 2^102340137 is an apocalyptic number.

It is an amenable number.

102340137 is a deficient number, since it is larger than the sum of its proper divisors (41570583).

102340137 is a wasteful number, since it uses less digits than its factorization.

102340137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 102340137 is about 10116.3302140648. The cubic root of 102340137 is about 467.7516534294.

Adding to 102340137 its reverse (731043201), we get a palindrome (833383338).

The spelling of 102340137 in words is "one hundred two million, three hundred forty thousand, one hundred thirty-seven".