1398702140 has 48 divisors (see below), whose sum is σ = 3272500224. Its totient is φ = 497793600.

The previous prime is 1398702133. The next prime is 1398702163. The reversal of 1398702140 is 412078931.

1398702140 is digitally balanced in base 6, 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 1398702140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57296 + ... + 77975.

It is an arithmetic number, because the mean of its divisors is an integer number (68177088).

Almost surely, 2^1398702140 is an apocalyptic number.

1398702140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1398702140 is an abundant number, since it is smaller than the sum of its proper divisors (1873798084).

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

1398702140 is a wasteful number, since it uses less digits than its factorization.

1398702140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135338 (or 135336 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1398702140 is about 37399.2264625888. The cubic root of 1398702140 is about 1118.3431443386.

The spelling of 1398702140 in words is "one billion, three hundred ninety-eight million, seven hundred two thousand, one hundred forty".