137112943 has 4 divisors (see below), whose sum is σ = 149577768. Its totient is φ = 124648120.

The previous prime is 137112923. The next prime is 137112947. The reversal of 137112943 is 349211731.

137112943 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137112943 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137112947) 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, 6232396 + ... + 6232417.

It is an arithmetic number, because the mean of its divisors is an integer number (37394442).

Almost surely, 2^137112943 is an apocalyptic number.

137112943 is a deficient number, since it is larger than the sum of its proper divisors (12464825).

137112943 is a wasteful number, since it uses less digits than its factorization.

137112943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12464824.

The product of its digits is 4536, while the sum is 31.

The square root of 137112943 is about 11709.5236026066. The cubic root of 137112943 is about 515.6552980446.

The spelling of 137112943 in words is "one hundred thirty-seven million, one hundred twelve thousand, nine hundred forty-three".