1432142728 has 32 divisors (see below), whose sum is σ = 2780424000. Its totient is φ = 690742080.

The previous prime is 1432142711. The next prime is 1432142729. The reversal of 1432142728 is 8272412341.

It is a junction number, because it is equal to n+sod(n) for n = 1432142693 and 1432142702.

It is not an unprimeable number, because it can be changed into a prime (1432142729) 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, 336373 + ... + 340603.

It is an arithmetic number, because the mean of its divisors is an integer number (86888250).

Almost surely, 2^1432142728 is an apocalyptic number.

It is an amenable number.

1432142728 is a deficient number, since it is larger than the sum of its proper divisors (1348281272).

1432142728 is a wasteful number, since it uses less digits than its factorization.

1432142728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725 (or 5721 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 1432142728 is about 37843.6616621595. The cubic root of 1432142728 is about 1127.1856054307.

The spelling of 1432142728 in words is "one billion, four hundred thirty-two million, one hundred forty-two thousand, seven hundred twenty-eight".