2159396142 has 16 divisors (see below), whose sum is σ = 4367319120. Its totient is φ = 711710912.

The previous prime is 2159396069. The next prime is 2159396167. The reversal of 2159396142 is 2416939512.

It is a junction number, because it is equal to n+sod(n) for n = 2159396094 and 2159396103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021373 + ... + 2022440.

It is an arithmetic number, because the mean of its divisors is an integer number (272957445).

Almost surely, 2^2159396142 is an apocalyptic number.

2159396142 is an abundant number, since it is smaller than the sum of its proper divisors (2207922978).

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

2159396142 is a wasteful number, since it uses less digits than its factorization.

2159396142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043907.

The product of its digits is 116640, while the sum is 42.

The square root of 2159396142 is about 46469.3032226652. The cubic root of 2159396142 is about 1292.5403423639.

The spelling of 2159396142 in words is "two billion, one hundred fifty-nine million, three hundred ninety-six thousand, one hundred forty-two".