1430235140 has 12 divisors (see below), whose sum is σ = 3003493836. Its totient is φ = 572094048.

The previous prime is 1430235139. The next prime is 1430235179. The reversal of 1430235140 is 415320341.

It can be written as a sum of positive squares in 2 ways, for example, as 260047876 + 1170187264 = 16126^2 + 34208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35755859 + ... + 35755898.

It is an arithmetic number, because the mean of its divisors is an integer number (250291153).

Almost surely, 2^1430235140 is an apocalyptic number.

1430235140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430235140 is an abundant number, since it is smaller than the sum of its proper divisors (1573258696).

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

1430235140 is a wasteful number, since it uses less digits than its factorization.

1430235140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71511766 (or 71511764 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1430235140 is about 37818.4497302573. The cubic root of 1430235140 is about 1126.6849195056.

Adding to 1430235140 its reverse (415320341), we get a palindrome (1845555481).

The spelling of 1430235140 in words is "one billion, four hundred thirty million, two hundred thirty-five thousand, one hundred forty".