137379967 has 2 divisors, whose sum is σ = 137379968. Its totient is φ = 137379966.

The previous prime is 137379961. The next prime is 137380007. The reversal of 137379967 is 769973731.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137379967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137379961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68689983 + 68689984.

It is an arithmetic number, because the mean of its divisors is an integer number (68689984).

Almost surely, 2^137379967 is an apocalyptic number.

137379967 is a deficient number, since it is larger than the sum of its proper divisors (1).

137379967 is an equidigital number, since it uses as much as digits as its factorization.

137379967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500282, while the sum is 52.

The square root of 137379967 is about 11720.9200577429. The cubic root of 137379967 is about 515.9898228768.

The spelling of 137379967 in words is "one hundred thirty-seven million, three hundred seventy-nine thousand, nine hundred sixty-seven".