1432138730 has 16 divisors (see below), whose sum is σ = 2812199904. Its totient is φ = 520777680.

The previous prime is 1432138709. The next prime is 1432138753. The reversal of 1432138730 is 378312341.

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, 6509612 + ... + 6509831.

It is an arithmetic number, because the mean of its divisors is an integer number (175762494).

Almost surely, 2^1432138730 is an apocalyptic number.

1432138730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1432138730 is a deficient number, since it is larger than the sum of its proper divisors (1380061174).

1432138730 is a wasteful number, since it uses less digits than its factorization.

1432138730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13019461.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1432138730 is about 37843.6088395385. The cubic root of 1432138730 is about 1127.1845565380.

The spelling of 1432138730 in words is "one billion, four hundred thirty-two million, one hundred thirty-eight thousand, seven hundred thirty".