1356221130 has 32 divisors (see below), whose sum is σ = 3550834368. Its totient is φ = 328780800.

The previous prime is 1356221129. The next prime is 1356221131. The reversal of 1356221130 is 311226531.

It is an interprime number because it is at equal distance from previous prime (1356221129) and next prime (1356221131).

It is a self number, because there is not a number n which added to its sum of digits gives 1356221130.

It is not an unprimeable number, because it can be changed into a prime (1356221131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2054551 + ... + 2055210.

It is an arithmetic number, because the mean of its divisors is an integer number (110963574).

Almost surely, 2^1356221130 is an apocalyptic number.

1356221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1356221130 is an abundant number, since it is smaller than the sum of its proper divisors (2194613238).

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

1356221130 is a wasteful number, since it uses less digits than its factorization.

1356221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109782.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1356221130 is about 36826.9076898944. The cubic root of 1356221130 is about 1106.9045402238.

Adding to 1356221130 its reverse (311226531), we get a palindrome (1667447661).

The spelling of 1356221130 in words is "one billion, three hundred fifty-six million, two hundred twenty-one thousand, one hundred thirty".