153193961 has 8 divisors (see below), whose sum is σ = 160088640. Its totient is φ = 146318832.

The previous prime is 153193951. The next prime is 153193967. The reversal of 153193961 is 169391351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153193961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153193967) 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 7 ways as a sum of consecutive naturals, for example, 12491 + ... + 21503.

It is an arithmetic number, because the mean of its divisors is an integer number (20011080).

Almost surely, 2^153193961 is an apocalyptic number.

It is an amenable number.

153193961 is a deficient number, since it is larger than the sum of its proper divisors (6894679).

153193961 is an equidigital number, since it uses as much as digits as its factorization.

153193961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9775.

The product of its digits is 21870, while the sum is 38.

The square root of 153193961 is about 12377.1548022960. The cubic root of 153193961 is about 535.0740410526.

The spelling of 153193961 in words is "one hundred fifty-three million, one hundred ninety-three thousand, nine hundred sixty-one".