137428748 has 36 divisors (see below), whose sum is σ = 268968840. Its totient is φ = 61258752.

The previous prime is 137428747. The next prime is 137428763. The reversal of 137428748 is 847824731.

137428748 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×137428748³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137428699 and 137428708.

It is not an unprimeable number, because it can be changed into a prime (137428741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18836 + ... + 25092.

Almost surely, 2^137428748 is an apocalyptic number.

It is an amenable number.

137428748 is a deficient number, since it is larger than the sum of its proper divisors (131540092).

137428748 is a wasteful number, since it uses less digits than its factorization.

137428748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314 (or 6295 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 137428748 is about 11723.0008103727. Note that the first 3 decimals coincide. The cubic root of 137428748 is about 516.0508883570.

The spelling of 137428748 in words is "one hundred thirty-seven million, four hundred twenty-eight thousand, seven hundred forty-eight".