1134421345 has 8 divisors (see below), whose sum is σ = 1367251560. Its totient is φ = 903573120.

The previous prime is 1134421319. The next prime is 1134421363. The reversal of 1134421345 is 5431244311.

It can be written as a sum of positive squares in 4 ways, for example, as 501043456 + 633377889 = 22384^2 + 25167^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1134421345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494236 + ... + 496525.

It is an arithmetic number, because the mean of its divisors is an integer number (170906445).

Almost surely, 2^1134421345 is an apocalyptic number.

It is an amenable number.

1134421345 is a deficient number, since it is larger than the sum of its proper divisors (232830215).

1134421345 is an equidigital number, since it uses as much as digits as its factorization.

1134421345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990995.

The product of its digits is 5760, while the sum is 28.

The square root of 1134421345 is about 33681.1719659515. The cubic root of 1134421345 is about 1042.9371314809.

Adding to 1134421345 its reverse (5431244311), we get a palindrome (6565665656).

The spelling of 1134421345 in words is "one billion, one hundred thirty-four million, four hundred twenty-one thousand, three hundred forty-five".