137019040 has 24 divisors (see below), whose sum is σ = 323707860. Its totient is φ = 54807552.

The previous prime is 137019037. The next prime is 137019079. The reversal of 137019040 is 40910731.

It can be written as a sum of positive squares in 2 ways, for example, as 115004176 + 22014864 = 10724^2 + 4692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 137018996 and 137019014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428025 + ... + 428344.

Almost surely, 2^137019040 is an apocalyptic number.

137019040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137019040 is an abundant number, since it is smaller than the sum of its proper divisors (186688820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137019040 is an equidigital number, since it uses as much as digits as its factorization.

137019040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856384 (or 856376 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 137019040 is about 11705.5132309523. The cubic root of 137019040 is about 515.5375541453.

Adding to 137019040 its reverse (40910731), we get a palindrome (177929771).

The spelling of 137019040 in words is "one hundred thirty-seven million, nineteen thousand, forty".