137143601 has 6 divisors (see below), whose sum is σ = 159534450. Its totient is φ = 117551616.

The previous prime is 137143579. The next prime is 137143609. The reversal of 137143601 is 106341731.

It can be written as a sum of positive squares in only one way, i.e., 100480576 + 36663025 = 10024^2 + 6055^2 .

It is not a de Polignac number, because 137143601 - 2⁶ = 137143537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137143609) 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 5 ways as a sum of consecutive naturals, for example, 1399376 + ... + 1399473.

It is an arithmetic number, because the mean of its divisors is an integer number (26589075).

Almost surely, 2^137143601 is an apocalyptic number.

It is an amenable number.

137143601 is a deficient number, since it is larger than the sum of its proper divisors (22390849).

137143601 is an equidigital number, since it uses as much as digits as its factorization.

137143601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798863 (or 2798856 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 137143601 is about 11710.8326347873. The cubic root of 137143601 is about 515.6937281194.

The spelling of 137143601 in words is "one hundred thirty-seven million, one hundred forty-three thousand, six hundred one".