137983607 has 2 divisors, whose sum is σ = 137983608. Its totient is φ = 137983606.

The previous prime is 137983597. The next prime is 137983609. The reversal of 137983607 is 706389731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137983607 - 2²⁴ = 121206391 is a prime.

Together with 137983609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137983609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68991803 + 68991804.

It is an arithmetic number, because the mean of its divisors is an integer number (68991804).

Almost surely, 2^137983607 is an apocalyptic number.

137983607 is a deficient number, since it is larger than the sum of its proper divisors (1).

137983607 is an equidigital number, since it uses as much as digits as its factorization.

137983607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 137983607 is about 11746.6423713332. The cubic root of 137983607 is about 516.7444622826.

The spelling of 137983607 in words is "one hundred thirty-seven million, nine hundred eighty-three thousand, six hundred seven".