137577667 has 4 divisors (see below), whose sum is σ = 138101040. Its totient is φ = 137054296.

The previous prime is 137577619. The next prime is 137577677. The reversal of 137577667 is 766775731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137577667 is a prime.

It is a super-2 number, since 2×137577667² = 37855228914325778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137577667.

It is not an unprimeable number, because it can be changed into a prime (137577677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261292 + ... + 261817.

It is an arithmetic number, because the mean of its divisors is an integer number (34525260).

Almost surely, 2^137577667 is an apocalyptic number.

137577667 is a deficient number, since it is larger than the sum of its proper divisors (523373).

137577667 is an equidigital number, since it uses as much as digits as its factorization.

137577667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523372.

The product of its digits is 1296540, while the sum is 49.

The square root of 137577667 is about 11729.3506640393. The cubic root of 137577667 is about 516.2372201633.

The spelling of 137577667 in words is "one hundred thirty-seven million, five hundred seventy-seven thousand, six hundred sixty-seven".