137992671 has 6 divisors (see below), whose sum is σ = 199322760. Its totient is φ = 91995108.

The previous prime is 137992669. The next prime is 137992691. The reversal of 137992671 is 176299731.

It is not a de Polignac number, because 137992671 - 2¹ = 137992669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137992661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7666251 + ... + 7666268.

It is an arithmetic number, because the mean of its divisors is an integer number (33220460).

Almost surely, 2^137992671 is an apocalyptic number.

137992671 is a deficient number, since it is larger than the sum of its proper divisors (61330089).

137992671 is a wasteful number, since it uses less digits than its factorization.

137992671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15332525 (or 15332522 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 137992671 is about 11747.0281773732. The cubic root of 137992671 is about 516.7557768374.

The spelling of 137992671 in words is "one hundred thirty-seven million, nine hundred ninety-two thousand, six hundred seventy-one".