137148628 has 6 divisors (see below), whose sum is σ = 240010106. Its totient is φ = 68574312.

The previous prime is 137148623. The next prime is 137148637. The reversal of 137148628 is 826841731.

It can be written as a sum of positive squares in only one way, i.e., 111767184 + 25381444 = 10572^2 + 5038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137148623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17143575 + ... + 17143582.

Almost surely, 2^137148628 is an apocalyptic number.

It is an amenable number.

137148628 is a deficient number, since it is larger than the sum of its proper divisors (102861478).

137148628 is a wasteful number, since it uses less digits than its factorization.

137148628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34287161 (or 34287159 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 137148628 is about 11711.0472631614. The cubic root of 137148628 is about 515.7000289620.

The spelling of 137148628 in words is "one hundred thirty-seven million, one hundred forty-eight thousand, six hundred twenty-eight".