137663671 has 8 divisors (see below), whose sum is σ = 152099424. Its totient is φ = 123932160.

The previous prime is 137663651. The next prime is 137663681. The reversal of 137663671 is 176366731.

It is a happy number.

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 137663671 - 2⁵ = 137663639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137663651) 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 7 ways as a sum of consecutive naturals, for example, 175650 + ... + 176431.

It is an arithmetic number, because the mean of its divisors is an integer number (19012428).

Almost surely, 2^137663671 is an apocalyptic number.

137663671 is a deficient number, since it is larger than the sum of its proper divisors (14435753).

137663671 is a wasteful number, since it uses less digits than its factorization.

137663671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352121.

The product of its digits is 95256, while the sum is 40.

The square root of 137663671 is about 11733.0162788603. The cubic root of 137663671 is about 516.3447696381.

The spelling of 137663671 in words is "one hundred thirty-seven million, six hundred sixty-three thousand, six hundred seventy-one".