137943169 has 32 divisors (see below), whose sum is σ = 177246720. Its totient is φ = 104412672.

The previous prime is 137943163. The next prime is 137943193. The reversal of 137943169 is 961349731.

It is not a de Polignac number, because 137943169 - 2⁵ = 137943137 is a prime.

It is a super-2 number, since 2×137943169² = 38056635747525122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (137943163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440557 + ... + 440869.

It is an arithmetic number, because the mean of its divisors is an integer number (5538960).

Almost surely, 2^137943169 is an apocalyptic number.

It is an amenable number.

137943169 is a deficient number, since it is larger than the sum of its proper divisors (39303551).

137943169 is a wasteful number, since it uses less digits than its factorization.

137943169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its digits is 122472, while the sum is 43.

The square root of 137943169 is about 11744.9209873885. The cubic root of 137943169 is about 516.6939776522.

The spelling of 137943169 in words is "one hundred thirty-seven million, nine hundred forty-three thousand, one hundred sixty-nine".