137283427 has 4 divisors (see below), whose sum is σ = 137330536. Its totient is φ = 137236320.

The previous prime is 137283403. The next prime is 137283437. The reversal of 137283427 is 724382731.

137283427 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-137283427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137283437) 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, 18873 + ... + 25114.

It is an arithmetic number, because the mean of its divisors is an integer number (34332634).

Almost surely, 2^137283427 is an apocalyptic number.

137283427 is a deficient number, since it is larger than the sum of its proper divisors (47109).

137283427 is an equidigital number, since it uses as much as digits as its factorization.

137283427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47108.

The product of its digits is 56448, while the sum is 37.

The square root of 137283427 is about 11716.8010566024. The cubic root of 137283427 is about 515.8689286602.

The spelling of 137283427 in words is "one hundred thirty-seven million, two hundred eighty-three thousand, four hundred twenty-seven".