1355132454421 has 8 divisors (see below), whose sum is σ = 1429291120320. Its totient is φ = 1281257379072.

The previous prime is 1355132454397. The next prime is 1355132454457. The reversal of 1355132454421 is 1244542315531.

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-1355132454421 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 (1355132454121) 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, 70887820 + ... + 70906933.

It is an arithmetic number, because the mean of its divisors is an integer number (178661390040).

Almost surely, 2^{1355132454421} is an apocalyptic number.

It is an amenable number.

1355132454421 is a deficient number, since it is larger than the sum of its proper divisors (74158665899).

1355132454421 is a wasteful number, since it uses less digits than its factorization.

1355132454421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141795275.

The product of its digits is 288000, while the sum is 40.

Adding to 1355132454421 its reverse (1244542315531), we get a palindrome (2599674769952).

The spelling of 1355132454421 in words is "one trillion, three hundred fifty-five billion, one hundred thirty-two million, four hundred fifty-four thousand, four hundred twenty-one".