137708667 has 10 divisors (see below), whose sum is σ = 205713068. Its totient is φ = 91805724.

The previous prime is 137708639. The next prime is 137708677. The reversal of 137708667 is 766807731.

It is a happy number.

It is not a de Polignac number, because 137708667 - 2⁷ = 137708539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137708677) 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 9 ways as a sum of consecutive naturals, for example, 849973 + ... + 850134.

Almost surely, 2^137708667 is an apocalyptic number.

137708667 is a deficient number, since it is larger than the sum of its proper divisors (68004401).

137708667 is an equidigital number, since it uses as much as digits as its factorization.

137708667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700119 (or 1700110 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 137708667 is about 11734.9336171961. The cubic root of 137708667 is about 516.4010200592.

The spelling of 137708667 in words is "one hundred thirty-seven million, seven hundred eight thousand, six hundred sixty-seven".