2142400130 has 16 divisors (see below), whose sum is σ = 4152960504. Its totient is φ = 791040000.

The previous prime is 2142400121. The next prime is 2142400133. The reversal of 2142400130 is 310042412.

It can be written as a sum of positive squares in 4 ways, for example, as 1109356249 + 1033043881 = 33307^2 + 32141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2142400099 and 2142400108.

It is not an unprimeable number, because it can be changed into a prime (2142400133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8239871 + ... + 8240130.

Almost surely, 2^2142400130 is an apocalyptic number.

2142400130 is a deficient number, since it is larger than the sum of its proper divisors (2010560374).

2142400130 is a wasteful number, since it uses less digits than its factorization.

2142400130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16480021.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2142400130 is about 46286.0684223666. The cubic root of 2142400130 is about 1289.1403302247.

Adding to 2142400130 its reverse (310042412), we get a palindrome (2452442542).

The spelling of 2142400130 in words is "two billion, one hundred forty-two million, four hundred thousand, one hundred thirty".