1354879281 has 16 divisors (see below), whose sum is σ = 2065280000. Its totient is φ = 773953488.

The previous prime is 1354879271. The next prime is 1354879349. The reversal of 1354879281 is 1829784531.

It is not a de Polignac number, because 1354879281 - 2⁵ = 1354879249 is a prime.

It is a super-2 number, since 2×1354879281² = 3671395732166153922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1354879281.

It is not an unprimeable number, because it can be changed into a prime (1354879231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64260 + ... + 82698.

It is an arithmetic number, because the mean of its divisors is an integer number (129080000).

Almost surely, 2^1354879281 is an apocalyptic number.

It is an amenable number.

1354879281 is a deficient number, since it is larger than the sum of its proper divisors (710400719).

1354879281 is a wasteful number, since it uses less digits than its factorization.

1354879281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21948.

The product of its digits is 483840, while the sum is 48.

The square root of 1354879281 is about 36808.6848583320. The cubic root of 1354879281 is about 1106.5393616060.

It can be divided in two parts, 13548 and 79281, that added together give a palindrome (92829).

The spelling of 1354879281 in words is "one billion, three hundred fifty-four million, eight hundred seventy-nine thousand, two hundred eighty-one".