139328554 has 8 divisors (see below), whose sum is σ = 211936608. Its totient is φ = 68683020.

The previous prime is 139328543. The next prime is 139328561. The reversal of 139328554 is 455823931.

139328554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 490452 + ... + 490735.

It is an arithmetic number, because the mean of its divisors is an integer number (26492076).

Almost surely, 2^139328554 is an apocalyptic number.

139328554 is a deficient number, since it is larger than the sum of its proper divisors (72608054).

139328554 is an equidigital number, since it uses as much as digits as its factorization.

139328554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981260.

The product of its digits is 129600, while the sum is 40.

The square root of 139328554 is about 11803.7516917292. The cubic root of 139328554 is about 518.4179654085.

The spelling of 139328554 in words is "one hundred thirty-nine million, three hundred twenty-eight thousand, five hundred fifty-four".