1321554154414 has 16 divisors (see below), whose sum is σ = 2134846914480. Its totient is φ = 609939881280.

The previous prime is 1321554154411. The next prime is 1321554154421. The reversal of 1321554154414 is 4144514551231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321554154411) 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, 1913397 + ... + 2510815.

It is an arithmetic number, because the mean of its divisors is an integer number (133427932155).

Almost surely, 2^{1321554154414} is an apocalyptic number.

1321554154414 is a deficient number, since it is larger than the sum of its proper divisors (813292760066).

1321554154414 is a wasteful number, since it uses less digits than its factorization.

1321554154414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682515.

The product of its digits is 192000, while the sum is 40.

The spelling of 1321554154414 in words is "one trillion, three hundred twenty-one billion, five hundred fifty-four million, one hundred fifty-four thousand, four hundred fourteen".