137744667 has 6 divisors (see below), whose sum is σ = 198964532. Its totient is φ = 91829772.

The previous prime is 137744653. The next prime is 137744671. The reversal of 137744667 is 766447731.

It is not a de Polignac number, because 137744667 - 2¹⁰ = 137743643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137744267) 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 5 ways as a sum of consecutive naturals, for example, 7652473 + ... + 7652490.

Almost surely, 2^137744667 is an apocalyptic number.

137744667 is a deficient number, since it is larger than the sum of its proper divisors (61219865).

137744667 is a wasteful number, since it uses less digits than its factorization.

137744667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304969 (or 15304966 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 137744667 is about 11736.4673986681. The cubic root of 137744667 is about 516.4460155737.

The spelling of 137744667 in words is "one hundred thirty-seven million, seven hundred forty-four thousand, six hundred sixty-seven".