153920963 has 4 divisors (see below), whose sum is σ = 175909680. Its totient is φ = 131932248.

The previous prime is 153920953. The next prime is 153921017. The reversal of 153920963 is 369029351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369029351 = 10499 ⋅35149.

It is not a de Polignac number, because 153920963 - 2⁴ = 153920947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153920933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10994348 + ... + 10994361.

It is an arithmetic number, because the mean of its divisors is an integer number (43977420).

Almost surely, 2^153920963 is an apocalyptic number.

153920963 is a deficient number, since it is larger than the sum of its proper divisors (21988717).

153920963 is an equidigital number, since it uses as much as digits as its factorization.

153920963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21988716.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 153920963 is about 12406.4887458136. The cubic root of 153920963 is about 535.9191269440.

The spelling of 153920963 in words is "one hundred fifty-three million, nine hundred twenty thousand, nine hundred sixty-three".