137442128 has 20 divisors (see below), whose sum is σ = 266479968. Its totient is φ = 68673120.

The previous prime is 137442121. The next prime is 137442131. The reversal of 137442128 is 821244731.

It is a junction number, because it is equal to n+sod(n) for n = 137442094 and 137442103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137442121) 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, 36125 + ... + 39747.

Almost surely, 2^137442128 is an apocalyptic number.

It is an amenable number.

137442128 is a deficient number, since it is larger than the sum of its proper divisors (129037840).

137442128 is a wasteful number, since it uses less digits than its factorization.

137442128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002 (or 5996 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 137442128 is about 11723.5714694798. The cubic root of 137442128 is about 516.0676353063.

Adding to 137442128 its reverse (821244731), we get a palindrome (958686859).

The spelling of 137442128 in words is "one hundred thirty-seven million, four hundred forty-two thousand, one hundred twenty-eight".