137947783989 has 16 divisors (see below), whose sum is σ = 187416884160. Its totient is φ = 90237713280.

The previous prime is 137947783979. The next prime is 137947784011. The reversal of 137947783989 is 989387749731.

It is not a de Polignac number, because 137947783989 - 2⁷ = 137947783861 is a prime.

It is a super-2 number, since 2×137947783989² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137947783989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137947783979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937002 + ... + 2006955.

It is an arithmetic number, because the mean of its divisors is an integer number (11713555260).

Almost surely, 2^137947783989 is an apocalyptic number.

It is an amenable number.

137947783989 is a deficient number, since it is larger than the sum of its proper divisors (49469100171).

137947783989 is a wasteful number, since it uses less digits than its factorization.

137947783989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944180.

The product of its digits is 576108288, while the sum is 75.

The spelling of 137947783989 in words is "one hundred thirty-seven billion, nine hundred forty-seven million, seven hundred eighty-three thousand, nine hundred eighty-nine".