137836732989 has 8 divisors (see below), whose sum is σ = 194593034880. Its totient is φ = 86485793216.

The previous prime is 137836732981. The next prime is 137836733077. The reversal of 137836732989 is 989237638731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137836732989 - 2³ = 137836732981 is a prime.

It is a super-2 number, since 2×137836732989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137836732981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351340469 + ... + 1351340570.

It is an arithmetic number, because the mean of its divisors is an integer number (24324129360).

Almost surely, 2^137836732989 is an apocalyptic number.

It is an amenable number.

137836732989 is a deficient number, since it is larger than the sum of its proper divisors (56756301891).

137836732989 is a wasteful number, since it uses less digits than its factorization.

137836732989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702681059.

The product of its digits is 82301184, while the sum is 66.

The spelling of 137836732989 in words is "one hundred thirty-seven billion, eight hundred thirty-six million, seven hundred thirty-two thousand, nine hundred eighty-nine".