147109387 has 4 divisors (see below), whose sum is σ = 147150640. Its totient is φ = 147068136.

The previous prime is 147109363. The next prime is 147109409. The reversal of 147109387 is 783901741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147109387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147109337) 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, 14712 + ... + 22597.

It is an arithmetic number, because the mean of its divisors is an integer number (36787660).

Almost surely, 2^147109387 is an apocalyptic number.

147109387 is a deficient number, since it is larger than the sum of its proper divisors (41253).

147109387 is an equidigital number, since it uses as much as digits as its factorization.

147109387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41252.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 147109387 is about 12128.8658579440. The cubic root of 147109387 is about 527.8940843469.

The spelling of 147109387 in words is "one hundred forty-seven million, one hundred nine thousand, three hundred eighty-seven".