139080403 has 32 divisors (see below), whose sum is σ = 178168320. Its totient is φ = 105442560.

The previous prime is 139080401. The next prime is 139080407. The reversal of 139080403 is 304080931.

It is a cyclic number.

It is not a de Polignac number, because 139080403 - 2¹ = 139080401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139080401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612576 + ... + 612802.

It is an arithmetic number, because the mean of its divisors is an integer number (5567760).

Almost surely, 2^139080403 is an apocalyptic number.

139080403 is a deficient number, since it is larger than the sum of its proper divisors (39087917).

139080403 is a wasteful number, since it uses less digits than its factorization.

139080403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 139080403 is about 11793.2354763229. The cubic root of 139080403 is about 518.1100065506.

The spelling of 139080403 in words is "one hundred thirty-nine million, eighty thousand, four hundred three".