146909699 has 4 divisors (see below), whose sum is σ = 155551464. Its totient is φ = 138267936.

The previous prime is 146909689. The next prime is 146909747. The reversal of 146909699 is 996909641.

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

It is not a de Polignac number, because 146909699 - 2¹⁶ = 146844163 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 146909699.

It is not an unprimeable number, because it can be changed into a prime (146909669) 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, 4320857 + ... + 4320890.

It is an arithmetic number, because the mean of its divisors is an integer number (38887866).

Almost surely, 2^146909699 is an apocalyptic number.

146909699 is a deficient number, since it is larger than the sum of its proper divisors (8641765).

146909699 is an equidigital number, since it uses as much as digits as its factorization.

146909699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641764.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 146909699 is about 12120.6311304321. The cubic root of 146909699 is about 527.6551196580.

It can be divided in two parts, 14690 and 9699, that added together give a cube (24389 = 29³).

The spelling of 146909699 in words is "one hundred forty-six million, nine hundred nine thousand, six hundred ninety-nine".