1356530798 has 48 divisors (see below), whose sum is σ = 2468112768. Its totient is φ = 556920000.

The previous prime is 1356530753. The next prime is 1356530831. The reversal of 1356530798 is 8970356531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304628 + ... + 309048.

It is an arithmetic number, because the mean of its divisors is an integer number (51419016).

Almost surely, 2^1356530798 is an apocalyptic number.

1356530798 is a deficient number, since it is larger than the sum of its proper divisors (1111581970).

1356530798 is a wasteful number, since it uses less digits than its factorization.

1356530798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569 (or 4562 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 1356530798 is about 36831.1118213936. Note that the first 3 decimals coincide. The cubic root of 1356530798 is about 1106.9887808692.

The spelling of 1356530798 in words is "one billion, three hundred fifty-six million, five hundred thirty thousand, seven hundred ninety-eight".