137268001 has 4 divisors (see below), whose sum is σ = 147827092. Its totient is φ = 126708912.

The previous prime is 137267987. The next prime is 137268007. The reversal of 137268001 is 100862731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81018001 + 56250000 = 9001^2 + 7500^2 .

It is a cyclic number.

It is not a de Polignac number, because 137268001 - 2⁹ = 137267489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137268007) 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, 5279526 + ... + 5279551.

It is an arithmetic number, because the mean of its divisors is an integer number (36956773).

Almost surely, 2^137268001 is an apocalyptic number.

It is an amenable number.

137268001 is a deficient number, since it is larger than the sum of its proper divisors (10559091).

137268001 is a wasteful number, since it uses less digits than its factorization.

137268001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559090.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 137268001 is about 11716.1427526298. The cubic root of 137268001 is about 515.8496058807.

The spelling of 137268001 in words is "one hundred thirty-seven million, two hundred sixty-eight thousand, one".