137423601 has 32 divisors (see below), whose sum is σ = 234393600. Its totient is φ = 77947920.

The previous prime is 137423593. The next prime is 137423609. The reversal of 137423601 is 106324731.

137423601 is a `hidden beast` number, since 1 + 37 + 4 + 23 + 601 = 666.

It is an interprime number because it is at equal distance from previous prime (137423593) and next prime (137423609).

It is not a de Polignac number, because 137423601 - 2³ = 137423593 is a prime.

It is a super-2 number, since 2×137423601² = 37770492223614402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137423609) 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 31 ways as a sum of consecutive naturals, for example, 23656 + ... + 28886.

It is an arithmetic number, because the mean of its divisors is an integer number (7324800).

Almost surely, 2^137423601 is an apocalyptic number.

It is an amenable number.

137423601 is a deficient number, since it is larger than the sum of its proper divisors (96969999).

137423601 is a wasteful number, since it uses less digits than its factorization.

137423601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 137423601 is about 11722.7812826138. The cubic root of 137423601 is about 516.0444458741.

The spelling of 137423601 in words is "one hundred thirty-seven million, four hundred twenty-three thousand, six hundred one".