137976563 has 8 divisors (see below), whose sum is σ = 144227328. Its totient is φ = 131746824.

The previous prime is 137976557. The next prime is 137976599. The reversal of 137976563 is 365679731.

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 137976563 - 2⁴ = 137976547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137976263) 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, 9020 + ... + 18902.

It is an arithmetic number, because the mean of its divisors is an integer number (18028416).

Almost surely, 2^137976563 is an apocalyptic number.

137976563 is a deficient number, since it is larger than the sum of its proper divisors (6250765).

137976563 is an equidigital number, since it uses as much as digits as its factorization.

137976563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10513.

The product of its digits is 714420, while the sum is 47.

The square root of 137976563 is about 11746.3425371475. The cubic root of 137976563 is about 516.7356689435.

The spelling of 137976563 in words is "one hundred thirty-seven million, nine hundred seventy-six thousand, five hundred sixty-three".