1356020798 has 64 divisors (see below), whose sum is σ = 2392395264. Its totient is φ = 570240000.

The previous prime is 1356020797. The next prime is 1356020801. The reversal of 1356020798 is 8970206531.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356020797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3381398 + ... + 3381798.

It is an arithmetic number, because the mean of its divisors is an integer number (37381176).

Almost surely, 2^1356020798 is an apocalyptic number.

1356020798 is a deficient number, since it is larger than the sum of its proper divisors (1036374466).

1356020798 is a wasteful number, since it uses less digits than its factorization.

1356020798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1356020798 is about 36824.1876760371. The cubic root of 1356020798 is about 1106.8500360050.

The spelling of 1356020798 in words is "one billion, three hundred fifty-six million, twenty thousand, seven hundred ninety-eight".