147068931 has 4 divisors (see below), whose sum is σ = 196091912. Its totient is φ = 98045952.

The previous prime is 147068917. The next prime is 147068941. The reversal of 147068931 is 139860741.

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

It is not a de Polignac number, because 147068931 - 2⁹ = 147068419 is a prime.

It is a super-2 number, since 2×147068931² = 43258540930965522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147068931.

It is not an unprimeable number, because it can be changed into a prime (147068941) 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, 24511486 + ... + 24511491.

It is an arithmetic number, because the mean of its divisors is an integer number (49022978).

Almost surely, 2^147068931 is an apocalyptic number.

147068931 is a deficient number, since it is larger than the sum of its proper divisors (49022981).

147068931 is an equidigital number, since it uses as much as digits as its factorization.

147068931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49022980.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 147068931 is about 12127.1979863446. The cubic root of 147068931 is about 527.8456885204.

The spelling of 147068931 in words is "one hundred forty-seven million, sixty-eight thousand, nine hundred thirty-one".