1356861030 has 32 divisors (see below), whose sum is σ = 3721676544. Its totient is φ = 310139616.

The previous prime is 1356861029. The next prime is 1356861059. The reversal of 1356861030 is 301686531.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1356860982 and 1356861000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3230412 + ... + 3230831.

It is an arithmetic number, because the mean of its divisors is an integer number (116302392).

Almost surely, 2^1356861030 is an apocalyptic number.

1356861030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1356861030 is an abundant number, since it is smaller than the sum of its proper divisors (2364815514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1356861030 is a wasteful number, since it uses less digits than its factorization.

1356861030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461260.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1356861030 is about 36835.5946063044. The cubic root of 1356861030 is about 1107.0786015253.

The spelling of 1356861030 in words is "one billion, three hundred fifty-six million, eight hundred sixty-one thousand, thirty".