137958983 has 2 divisors, whose sum is σ = 137958984. Its totient is φ = 137958982.

The previous prime is 137958979. The next prime is 137959001. The reversal of 137958983 is 389859731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137958983 - 2² = 137958979 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137958913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68979491 + 68979492.

It is an arithmetic number, because the mean of its divisors is an integer number (68979492).

Almost surely, 2^137958983 is an apocalyptic number.

137958983 is a deficient number, since it is larger than the sum of its proper divisors (1).

137958983 is an equidigital number, since it uses as much as digits as its factorization.

137958983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The square root of 137958983 is about 11745.5941952717. The cubic root of 137958983 is about 516.7137217405.

The spelling of 137958983 in words is "one hundred thirty-seven million, nine hundred fifty-eight thousand, nine hundred eighty-three".