139048340 has 24 divisors (see below), whose sum is σ = 304698240. Its totient is φ = 53200928.

The previous prime is 139048339. The next prime is 139048373. The reversal of 139048340 is 43840931.

It is a junction number, because it is equal to n+sod(n) for n = 139048297 and 139048306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150680 + ... + 151599.

It is an arithmetic number, because the mean of its divisors is an integer number (12695760).

Almost surely, 2^139048340 is an apocalyptic number.

139048340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139048340 is an abundant number, since it is smaller than the sum of its proper divisors (165649900).

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

139048340 is a wasteful number, since it uses less digits than its factorization.

139048340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302311 (or 302309 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 139048340 is about 11791.8760169873. The cubic root of 139048340 is about 518.0701892039.

The spelling of 139048340 in words is "one hundred thirty-nine million, forty-eight thousand, three hundred forty".