1430115140 has 24 divisors (see below), whose sum is σ = 3179903832. Its totient is φ = 538396160.

The previous prime is 1430115133. The next prime is 1430115173. The reversal of 1430115140 is 415110341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 782209024 + 647906116 = 27968^2 + 25454^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2102771 + ... + 2103450.

It is an arithmetic number, because the mean of its divisors is an integer number (132495993).

Almost surely, 2^1430115140 is an apocalyptic number.

1430115140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430115140 is an abundant number, since it is smaller than the sum of its proper divisors (1749788692).

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

1430115140 is a wasteful number, since it uses less digits than its factorization.

1430115140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206247 (or 4206245 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1430115140 is about 37816.8631697554. The cubic root of 1430115140 is about 1126.6534081436.

Adding to 1430115140 its reverse (415110341), we get a palindrome (1845225481).

The spelling of 1430115140 in words is "one billion, four hundred thirty million, one hundred fifteen thousand, one hundred forty".