137701945 has 8 divisors (see below), whose sum is σ = 166198536. Its totient is φ = 109524096.

The previous prime is 137701939. The next prime is 137701961. The reversal of 137701945 is 549107731.

It can be written as a sum of positive squares in 4 ways, for example, as 59768361 + 77933584 = 7731^2 + 8828^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 137701945 - 2³ = 137701937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78732 + ... + 80461.

It is an arithmetic number, because the mean of its divisors is an integer number (20774817).

Almost surely, 2^137701945 is an apocalyptic number.

It is an amenable number.

137701945 is a deficient number, since it is larger than the sum of its proper divisors (28496591).

137701945 is a wasteful number, since it uses less digits than its factorization.

137701945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159371.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 137701945 is about 11734.6472039001. The cubic root of 137701945 is about 516.3926175279.

The spelling of 137701945 in words is "one hundred thirty-seven million, seven hundred one thousand, nine hundred forty-five".