137677123 has 4 divisors (see below), whose sum is σ = 142424640. Its totient is φ = 132929608.

The previous prime is 137677121. The next prime is 137677151. The reversal of 137677123 is 321776731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321776731 = 17 ⋅18928043.

It is a cyclic number.

It is not a de Polignac number, because 137677123 - 2¹ = 137677121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137677121) 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, 2373715 + ... + 2373772.

It is an arithmetic number, because the mean of its divisors is an integer number (35606160).

Almost surely, 2^137677123 is an apocalyptic number.

137677123 is a deficient number, since it is larger than the sum of its proper divisors (4747517).

137677123 is an equidigital number, since it uses as much as digits as its factorization.

137677123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747516.

The product of its digits is 37044, while the sum is 37.

The square root of 137677123 is about 11733.5895189835. The cubic root of 137677123 is about 516.3615875431.

The spelling of 137677123 in words is "one hundred thirty-seven million, six hundred seventy-seven thousand, one hundred twenty-three".