1432729147 has 4 divisors (see below), whose sum is σ = 1445408280. Its totient is φ = 1420050016.

The previous prime is 1432729141. The next prime is 1432729157. The reversal of 1432729147 is 7419272341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7419272341 = 13 ⋅570713257.

It is a cyclic number.

It is not a de Polignac number, because 1432729147 - 2²⁷ = 1298511419 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1432729141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6339397 + ... + 6339622.

It is an arithmetic number, because the mean of its divisors is an integer number (361352070).

Almost surely, 2^1432729147 is an apocalyptic number.

1432729147 is a deficient number, since it is larger than the sum of its proper divisors (12679133).

1432729147 is a wasteful number, since it uses less digits than its factorization.

1432729147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12679132.

The product of its digits is 84672, while the sum is 40.

The square root of 1432729147 is about 37851.4087848788. The cubic root of 1432729147 is about 1127.3394338732.

The spelling of 1432729147 in words is "one billion, four hundred thirty-two million, seven hundred twenty-nine thousand, one hundred forty-seven".