1539698142 has 32 divisors (see below), whose sum is σ = 3181317120. Its totient is φ = 496272960.

The previous prime is 1539698141. The next prime is 1539698183. The reversal of 1539698142 is 2418969351.

It is a junction number, because it is equal to n+sod(n) for n = 1539698091 and 1539698100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1539698141) 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, 298578 + ... + 303690.

It is an arithmetic number, because the mean of its divisors is an integer number (99416160).

Almost surely, 2^1539698142 is an apocalyptic number.

1539698142 is an abundant number, since it is smaller than the sum of its proper divisors (1641618978).

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

1539698142 is a wasteful number, since it uses less digits than its factorization.

1539698142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768.

The product of its digits is 466560, while the sum is 48.

The square root of 1539698142 is about 39238.9875251643. The cubic root of 1539698142 is about 1154.7248939058.

The spelling of 1539698142 in words is "one billion, five hundred thirty-nine million, six hundred ninety-eight thousand, one hundred forty-two".