137048666 has 8 divisors (see below), whose sum is σ = 211129140. Its totient is φ = 66672288.

The previous prime is 137048627. The next prime is 137048669. The reversal of 137048666 is 666840731.

It can be written as a sum of positive squares in 2 ways, for example, as 133518025 + 3530641 = 11555^2 + 1879^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137048669) 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, 925931 + ... + 926078.

Almost surely, 2^137048666 is an apocalyptic number.

137048666 is a deficient number, since it is larger than the sum of its proper divisors (74080474).

137048666 is a wasteful number, since it uses less digits than its factorization.

137048666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852048.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 137048666 is about 11706.7786346202. The cubic root of 137048666 is about 515.5747076556.

The spelling of 137048666 in words is "one hundred thirty-seven million, forty-eight thousand, six hundred sixty-six".