146696399 has 4 divisors (see below), whose sum is σ = 149101320. Its totient is φ = 144291480.

The previous prime is 146696393. The next prime is 146696423. The reversal of 146696399 is 993696641.

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

It is a cyclic number.

It is not a de Polignac number, because 146696399 - 2²⁴ = 129919183 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 146696399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146696393) 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, 1202369 + ... + 1202490.

It is an arithmetic number, because the mean of its divisors is an integer number (37275330).

Almost surely, 2^146696399 is an apocalyptic number.

146696399 is a deficient number, since it is larger than the sum of its proper divisors (2404921).

146696399 is an equidigital number, since it uses as much as digits as its factorization.

146696399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404920.

The product of its digits is 1889568, while the sum is 53.

The square root of 146696399 is about 12111.8288874967. The cubic root of 146696399 is about 527.3996263127.

The spelling of 146696399 in words is "one hundred forty-six million, six hundred ninety-six thousand, three hundred ninety-nine".