137140025 has 12 divisors (see below), whose sum is σ = 185513424. Its totient is φ = 99738000.

The previous prime is 137140021. The next prime is 137140051. The reversal of 137140025 is 520041731.

It is not a de Polignac number, because 137140025 - 2² = 137140021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137140021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249071 + ... + 249620.

It is an arithmetic number, because the mean of its divisors is an integer number (15459452).

Almost surely, 2^137140025 is an apocalyptic number.

It is an amenable number.

137140025 is a deficient number, since it is larger than the sum of its proper divisors (48373399).

137140025 is a wasteful number, since it uses less digits than its factorization.

137140025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498712 (or 498707 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 137140025 is about 11710.6799546397. The cubic root of 137140025 is about 515.6892458668.

Adding to 137140025 its reverse (520041731), we get a palindrome (657181756).

The spelling of 137140025 in words is "one hundred thirty-seven million, one hundred forty thousand, twenty-five".