137983853 has 6 divisors (see below), whose sum is σ = 160511886. Its totient is φ = 118271832.

The previous prime is 137983801. The next prime is 137983907. The reversal of 137983853 is 358389731.

It can be written as a sum of positive squares in only one way, i.e., 128754409 + 9229444 = 11347^2 + 3038^2 .

It is not a de Polignac number, because 137983853 - 2⁶ = 137983789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137983798 and 137983807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137983253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1407950 + ... + 1408047.

It is an arithmetic number, because the mean of its divisors is an integer number (26751981).

Almost surely, 2^137983853 is an apocalyptic number.

It is an amenable number.

137983853 is a deficient number, since it is larger than the sum of its proper divisors (22528033).

137983853 is an equidigital number, since it uses as much as digits as its factorization.

137983853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816011 (or 2816004 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 137983853 is about 11746.6528424058. The cubic root of 137983853 is about 516.7447693699.

The spelling of 137983853 in words is "one hundred thirty-seven million, nine hundred eighty-three thousand, eight hundred fifty-three".