147919117 has 4 divisors (see below), whose sum is σ = 148465216. Its totient is φ = 147373020.

The previous prime is 147919099. The next prime is 147919139. The reversal of 147919117 is 711919741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147919117 is a prime.

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 147919117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147919217) 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, 272643 + ... + 273184.

It is an arithmetic number, because the mean of its divisors is an integer number (37116304).

Almost surely, 2^147919117 is an apocalyptic number.

It is an amenable number.

147919117 is a deficient number, since it is larger than the sum of its proper divisors (546099).

147919117 is an equidigital number, since it uses as much as digits as its factorization.

147919117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546098.

The product of its digits is 15876, while the sum is 40.

The square root of 147919117 is about 12162.2003354656. The cubic root of 147919117 is about 528.8608701405.

The spelling of 147919117 in words is "one hundred forty-seven million, nine hundred nineteen thousand, one hundred seventeen".