1354003255421 has 4 divisors (see below), whose sum is σ = 1376952463200. Its totient is φ = 1331054047644.

The previous prime is 1354003255399. The next prime is 1354003255489. The reversal of 1354003255421 is 1245523004531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1354003255421 - 2²² = 1353999061117 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 (1354003255721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11474603801 + ... + 11474603918.

It is an arithmetic number, because the mean of its divisors is an integer number (344238115800).

Almost surely, 2^{1354003255421} is an apocalyptic number.

It is an amenable number.

1354003255421 is a deficient number, since it is larger than the sum of its proper divisors (22949207779).

1354003255421 is an equidigital number, since it uses as much as digits as its factorization.

1354003255421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22949207778.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1354003255421 its reverse (1245523004531), we get a palindrome (2599526259952).

The spelling of 1354003255421 in words is "one trillion, three hundred fifty-four billion, three million, two hundred fifty-five thousand, four hundred twenty-one".