137580667 has 4 divisors (see below), whose sum is σ = 157235056. Its totient is φ = 117926280.

The previous prime is 137580661. The next prime is 137580673. The reversal of 137580667 is 766085731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766085731 = 1847 ⋅414773.

It is an interprime number because it is at equal distance from previous prime (137580661) and next prime (137580673).

It is a cyclic number.

It is not a de Polignac number, because 137580667 - 2³ = 137580659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137580661) 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 3 ways as a sum of consecutive naturals, for example, 9827184 + ... + 9827197.

It is an arithmetic number, because the mean of its divisors is an integer number (39308764).

Almost surely, 2^137580667 is an apocalyptic number.

137580667 is a deficient number, since it is larger than the sum of its proper divisors (19654389).

137580667 is an equidigital number, since it uses as much as digits as its factorization.

137580667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654388.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 137580667 is about 11729.4785476593. The cubic root of 137580667 is about 516.2409724691.

The spelling of 137580667 in words is "one hundred thirty-seven million, five hundred eighty thousand, six hundred sixty-seven".