146913999 has 4 divisors (see below), whose sum is σ = 195885336. Its totient is φ = 97942664.

The previous prime is 146913979. The next prime is 146914007. The reversal of 146913999 is 999319641.

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-146913999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146913919) 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, 24485664 + ... + 24485669.

It is an arithmetic number, because the mean of its divisors is an integer number (48971334).

Almost surely, 2^146913999 is an apocalyptic number.

146913999 is a deficient number, since it is larger than the sum of its proper divisors (48971337).

146913999 is an equidigital number, since it uses as much as digits as its factorization.

146913999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48971336.

The product of its digits is 472392, while the sum is 51.

The square root of 146913999 is about 12120.8085126364. The cubic root of 146913999 is about 527.6602677067.

The spelling of 146913999 in words is "one hundred forty-six million, nine hundred thirteen thousand, nine hundred ninety-nine".