137228794 has 8 divisors (see below), whose sum is σ = 217951668. Its totient is φ = 64578240.

The previous prime is 137228789. The next prime is 137228803. The reversal of 137228794 is 497822731.

It can be written as a sum of positive squares in 2 ways, for example, as 135419769 + 1809025 = 11637^2 + 1345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 137228794.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018037 + ... + 2018104.

Almost surely, 2^137228794 is an apocalyptic number.

137228794 is a deficient number, since it is larger than the sum of its proper divisors (80722874).

137228794 is a wasteful number, since it uses less digits than its factorization.

137228794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036160.

The product of its digits is 169344, while the sum is 43.

The square root of 137228794 is about 11714.4694288730. The cubic root of 137228794 is about 515.8004882393.

The spelling of 137228794 in words is "one hundred thirty-seven million, two hundred twenty-eight thousand, seven hundred ninety-four".