1353115421 has 8 divisors (see below), whose sum is σ = 1550634240. Its totient is φ = 1156650768.

The previous prime is 1353115417. The next prime is 1353115453. The reversal of 1353115421 is 1245113531.

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

It is not a de Polignac number, because 1353115421 - 2² = 1353115417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353115411) 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, 260786 + ... + 265923.

It is an arithmetic number, because the mean of its divisors is an integer number (193829280).

Almost surely, 2^1353115421 is an apocalyptic number.

It is an amenable number.

1353115421 is a deficient number, since it is larger than the sum of its proper divisors (197518819).

1353115421 is an equidigital number, since it uses as much as digits as its factorization.

1353115421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527083.

The product of its digits is 1800, while the sum is 26.

The square root of 1353115421 is about 36784.7172206067. The cubic root of 1353115421 is about 1106.0589674880.

Adding to 1353115421 its reverse (1245113531), we get a palindrome (2598228952).

The spelling of 1353115421 in words is "one billion, three hundred fifty-three million, one hundred fifteen thousand, four hundred twenty-one".