153913894 has 4 divisors (see below), whose sum is σ = 230870844. Its totient is φ = 76956946.

The previous prime is 153913873. The next prime is 153913939. The reversal of 153913894 is 498319351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498319351 = 17 ⋅29312903.

It is a self number, because there is not a number n which added to its sum of digits gives 153913894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38478472 + ... + 38478475.

It is an arithmetic number, because the mean of its divisors is an integer number (57717711).

Almost surely, 2^153913894 is an apocalyptic number.

153913894 is a deficient number, since it is larger than the sum of its proper divisors (76956950).

153913894 is an equidigital number, since it uses as much as digits as its factorization.

153913894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76956949.

The product of its digits is 116640, while the sum is 43.

The square root of 153913894 is about 12406.2038512996. The cubic root of 153913894 is about 535.9109225811.

The spelling of 153913894 in words is "one hundred fifty-three million, nine hundred thirteen thousand, eight hundred ninety-four".