201935313137 has 4 divisors (see below), whose sum is σ = 201949527156. Its totient is φ = 201921099120.

The previous prime is 201935313113. The next prime is 201935313157. The reversal of 201935313137 is 731313539102.

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 170345227441 + 31590085696 = 412729^2 + 177736^2 .

It is a cyclic number.

It is not a de Polignac number, because 201935313137 - 2²⁰ = 201934264561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201935313137.

It is not an unprimeable number, because it can be changed into a prime (201935313157) 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, 7085678 + ... + 7114119.

It is an arithmetic number, because the mean of its divisors is an integer number (50487381789).

Almost surely, 2^201935313137 is an apocalyptic number.

It is an amenable number.

201935313137 is a deficient number, since it is larger than the sum of its proper divisors (14214019).

201935313137 is a wasteful number, since it uses less digits than its factorization.

201935313137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14214018.

The product of its (nonzero) digits is 51030, while the sum is 38.

The spelling of 201935313137 in words is "two hundred one billion, nine hundred thirty-five million, three hundred thirteen thousand, one hundred thirty-seven".