137748508 has 12 divisors (see below), whose sum is σ = 244111840. Its totient is φ = 68002272.

The previous prime is 137748491. The next prime is 137748509. The reversal of 137748508 is 805847731.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137748509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217641 + ... + 218272.

Almost surely, 2^137748508 is an apocalyptic number.

It is an amenable number.

137748508 is a deficient number, since it is larger than the sum of its proper divisors (106363332).

137748508 is a wasteful number, since it uses less digits than its factorization.

137748508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435996 (or 435994 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 137748508 is about 11736.6310327964. The cubic root of 137748508 is about 516.4508158823.

The spelling of 137748508 in words is "one hundred thirty-seven million, seven hundred forty-eight thousand, five hundred eight".