137143294 has 4 divisors (see below), whose sum is σ = 205714944. Its totient is φ = 68571646.

The previous prime is 137143283. The next prime is 137143313. The reversal of 137143294 is 492341731.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34285822 + ... + 34285825.

It is an arithmetic number, because the mean of its divisors is an integer number (51428736).

Almost surely, 2^137143294 is an apocalyptic number.

137143294 is a deficient number, since it is larger than the sum of its proper divisors (68571650).

137143294 is an equidigital number, since it uses as much as digits as its factorization.

137143294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68571649.

The product of its digits is 18144, while the sum is 34.

The square root of 137143294 is about 11710.8195272577. The cubic root of 137143294 is about 515.6933433206.

The spelling of 137143294 in words is "one hundred thirty-seven million, one hundred forty-three thousand, two hundred ninety-four".