137615201 has 4 divisors (see below), whose sum is σ = 140543232. Its totient is φ = 134687172.

The previous prime is 137615171. The next prime is 137615213. The reversal of 137615201 is 102516731.

137615201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102516731 = 163 ⋅628937.

It is a cyclic number.

It is not a de Polignac number, because 137615201 - 2¹⁸ = 137353057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137615251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463945 + ... + 1464038.

It is an arithmetic number, because the mean of its divisors is an integer number (35135808).

Almost surely, 2^137615201 is an apocalyptic number.

It is an amenable number.

137615201 is a deficient number, since it is larger than the sum of its proper divisors (2928031).

137615201 is an equidigital number, since it uses as much as digits as its factorization.

137615201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928030.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 137615201 is about 11730.9505582455. The cubic root of 137615201 is about 516.2841625836.

The spelling of 137615201 in words is "one hundred thirty-seven million, six hundred fifteen thousand, two hundred one".