137407201 has 4 divisors (see below), whose sum is σ = 137542804. Its totient is φ = 137271600.

The previous prime is 137407187. The next prime is 137407213. The reversal of 137407201 is 102704731.

It is a happy number.

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 114597025 + 22810176 = 10705^2 + 4776^2 .

It is a cyclic number.

It is not a de Polignac number, because 137407201 - 2⁵ = 137407169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137407261) 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, 66270 + ... + 68311.

It is an arithmetic number, because the mean of its divisors is an integer number (34385701).

Almost surely, 2^137407201 is an apocalyptic number.

It is an amenable number.

137407201 is a deficient number, since it is larger than the sum of its proper divisors (135603).

137407201 is a wasteful number, since it uses less digits than its factorization.

137407201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135602.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 137407201 is about 11722.0817690374. The cubic root of 137407201 is about 516.0239169753.

The spelling of 137407201 in words is "one hundred thirty-seven million, four hundred seven thousand, two hundred one".