137852797 has 4 divisors (see below), whose sum is σ = 141058720. Its totient is φ = 134646876.

The previous prime is 137852789. The next prime is 137852837. The reversal of 137852797 is 797258731.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 137852797 - 2³ = 137852789 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 137852797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137852707) 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, 1602897 + ... + 1602982.

It is an arithmetic number, because the mean of its divisors is an integer number (35264680).

Almost surely, 2^137852797 is an apocalyptic number.

It is an amenable number.

137852797 is a deficient number, since it is larger than the sum of its proper divisors (3205923).

137852797 is an equidigital number, since it uses as much as digits as its factorization.

137852797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205922.

The product of its digits is 740880, while the sum is 49.

The square root of 137852797 is about 11741.0730770232. The cubic root of 137852797 is about 516.5811174809.

The spelling of 137852797 in words is "one hundred thirty-seven million, eight hundred fifty-two thousand, seven hundred ninety-seven".