137974983 has 4 divisors (see below), whose sum is σ = 183966648. Its totient is φ = 91983320.

The previous prime is 137974957. The next prime is 137975021. The reversal of 137974983 is 389479731.

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 137974983 - 2⁶ = 137974919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137974933) 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, 22995828 + ... + 22995833.

It is an arithmetic number, because the mean of its divisors is an integer number (45991662).

Almost surely, 2^137974983 is an apocalyptic number.

137974983 is a deficient number, since it is larger than the sum of its proper divisors (45991665).

137974983 is an equidigital number, since it uses as much as digits as its factorization.

137974983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45991664.

The product of its digits is 1143072, while the sum is 51.

The square root of 137974983 is about 11746.2752819777. The cubic root of 137974983 is about 516.7336965180.

The spelling of 137974983 in words is "one hundred thirty-seven million, nine hundred seventy-four thousand, nine hundred eighty-three".