139935498 has 32 divisors (see below), whose sum is σ = 292541760. Its totient is φ = 44567040.

The previous prime is 139935493. The next prime is 139935511. The reversal of 139935498 is 894539931.

It is a happy number.

139935498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 139935498.

It is not an unprimeable number, because it can be changed into a prime (139935493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12733 + ... + 21023.

It is an arithmetic number, because the mean of its divisors is an integer number (9141930).

Almost surely, 2^139935498 is an apocalyptic number.

139935498 is an abundant number, since it is smaller than the sum of its proper divisors (152606262).

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

139935498 is a wasteful number, since it uses less digits than its factorization.

139935498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422.

The product of its digits is 1049760, while the sum is 51.

The square root of 139935498 is about 11829.4335451872. The cubic root of 139935498 is about 519.1696535888.

It can be divided in two parts, 13993 and 5498, that added together give a palindrome (19491).

The spelling of 139935498 in words is "one hundred thirty-nine million, nine hundred thirty-five thousand, four hundred ninety-eight".