1353797785 has 8 divisors (see below), whose sum is σ = 1710060480. Its totient is φ = 1026036144.

The previous prime is 1353797777. The next prime is 1353797791. The reversal of 1353797785 is 5877973531.

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

It is a cyclic number.

It is not a de Polignac number, because 1353797785 - 2³ = 1353797777 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, 7125157 + ... + 7125346.

It is an arithmetic number, because the mean of its divisors is an integer number (213757560).

Almost surely, 2^1353797785 is an apocalyptic number.

It is an amenable number.

1353797785 is a deficient number, since it is larger than the sum of its proper divisors (356262695).

1353797785 is a wasteful number, since it uses less digits than its factorization.

1353797785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14250527.

The product of its digits is 5556600, while the sum is 55.

The square root of 1353797785 is about 36793.9911534479. The cubic root of 1353797785 is about 1106.2448614570.

The spelling of 1353797785 in words is "one billion, three hundred fifty-three million, seven hundred ninety-seven thousand, seven hundred eighty-five".