137031739 has 4 divisors (see below), whose sum is σ = 147572656. Its totient is φ = 126490824.

The previous prime is 137031721. The next prime is 137031751. The reversal of 137031739 is 937130731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137031739 - 2⁵ = 137031707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137031779) 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 3 ways as a sum of consecutive naturals, for example, 5270439 + ... + 5270464.

It is an arithmetic number, because the mean of its divisors is an integer number (36893164).

Almost surely, 2^137031739 is an apocalyptic number.

137031739 is a deficient number, since it is larger than the sum of its proper divisors (10540917).

137031739 is a wasteful number, since it uses less digits than its factorization.

137031739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540916.

The product of its (nonzero) digits is 11907, while the sum is 34.

The square root of 137031739 is about 11706.0556550872. The cubic root of 137031739 is about 515.5534804213.

The spelling of 137031739 in words is "one hundred thirty-seven million, thirty-one thousand, seven hundred thirty-nine".