137623775 has 12 divisors (see below), whose sum is σ = 173875032. Its totient is φ = 108020640.

The previous prime is 137623771. The next prime is 137623793. The reversal of 137623775 is 577326731.

It is not a de Polignac number, because 137623775 - 2² = 137623771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137623771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50609 + ... + 53258.

It is an arithmetic number, because the mean of its divisors is an integer number (14489586).

Almost surely, 2^137623775 is an apocalyptic number.

137623775 is a deficient number, since it is larger than the sum of its proper divisors (36251257).

137623775 is a wasteful number, since it uses less digits than its factorization.

137623775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103930 (or 103925 counting only the distinct ones).

The product of its digits is 185220, while the sum is 41.

The square root of 137623775 is about 11731.3159960850. The cubic root of 137623775 is about 516.2948845786.

The spelling of 137623775 in words is "one hundred thirty-seven million, six hundred twenty-three thousand, seven hundred seventy-five".