147137739 has 32 divisors (see below), whose sum is σ = 238771200. Its totient is φ = 80410176.

The previous prime is 147137723. The next prime is 147137741. The reversal of 147137739 is 937731741.

It is not a de Polignac number, because 147137739 - 2⁴ = 147137723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147137739.

It is not an unprimeable number, because it can be changed into a prime (147137719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20559 + ... + 26775.

It is an arithmetic number, because the mean of its divisors is an integer number (7461600).

Almost surely, 2^147137739 is an apocalyptic number.

147137739 is a deficient number, since it is larger than the sum of its proper divisors (91633461).

147137739 is an equidigital number, since it uses as much as digits as its factorization.

147137739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264 (or 6250 counting only the distinct ones).

The product of its digits is 111132, while the sum is 42.

The square root of 147137739 is about 12130.0345836275. The cubic root of 147137739 is about 527.9279953750.

The spelling of 147137739 in words is "one hundred forty-seven million, one hundred thirty-seven thousand, seven hundred thirty-nine".