1353123641 has 8 divisors (see below), whose sum is σ = 1376632800. Its totient is φ = 1329633760.

The previous prime is 1353123631. The next prime is 1353123643. The reversal of 1353123641 is 1463213531.

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

It is a cyclic number.

It is not a de Polignac number, because 1353123641 - 2¹⁴ = 1353107257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353123643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274325 + ... + 279213.

It is an arithmetic number, because the mean of its divisors is an integer number (172079100).

Almost surely, 2^1353123641 is an apocalyptic number.

It is an amenable number.

1353123641 is a deficient number, since it is larger than the sum of its proper divisors (23509159).

1353123641 is an equidigital number, since it uses as much as digits as its factorization.

1353123641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9639.

The product of its digits is 6480, while the sum is 29.

The square root of 1353123641 is about 36784.8289516208. The cubic root of 1353123641 is about 1106.0612072049.

The spelling of 1353123641 in words is "one billion, three hundred fifty-three million, one hundred twenty-three thousand, six hundred forty-one".