137964839 has 8 divisors (see below), whose sum is σ = 139041792. Its totient is φ = 136891960.

The previous prime is 137964829. The next prime is 137964899. The reversal of 137964839 is 938469731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137964839 - 2⁸ = 137964583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137964829) 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 7 ways as a sum of consecutive naturals, for example, 106892 + ... + 108174.

It is an arithmetic number, because the mean of its divisors is an integer number (17380224).

Almost surely, 2^137964839 is an apocalyptic number.

137964839 is a deficient number, since it is larger than the sum of its proper divisors (1076953).

137964839 is a wasteful number, since it uses less digits than its factorization.

137964839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its digits is 979776, while the sum is 50.

The square root of 137964839 is about 11745.8434775881. The cubic root of 137964839 is about 516.7210326882.

The spelling of 137964839 in words is "one hundred thirty-seven million, nine hundred sixty-four thousand, eight hundred thirty-nine".