1353798436 has 9 divisors (see below), whose sum is σ = 2369276049. Its totient is φ = 676862424.

The previous prime is 1353798403. The next prime is 1353798463. The reversal of 1353798436 is 6348973531.

The square root of 1353798436 is 36794.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1227100900 + 126697536 = 35030^2 + 11256^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1353798436.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 64390 + ... + 82786.

Almost surely, 2^1353798436 is an apocalyptic number.

1353798436 is the 36794-th square number.

It is an amenable number.

1353798436 is a deficient number, since it is larger than the sum of its proper divisors (1015477613).

1353798436 is an frugal number, since it uses more digits than its factorization.

1353798436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36798 (or 18399 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

The cubic root of 1353798436 is about 1106.2450387767.

Multiplying 1353798436 by its sum of digits (49), we get a square (66336123364 = 257558²).

The spelling of 1353798436 in words is "one billion, three hundred fifty-three million, seven hundred ninety-eight thousand, four hundred thirty-six".