1356645030 has 128 divisors (see below), whose sum is σ = 3712020480. Its totient is φ = 314565120.

The previous prime is 1356645019. The next prime is 1356645047. The reversal of 1356645030 is 305466531.

It is a junction number, because it is equal to n+sod(n) for n = 1356644982 and 1356645000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1652020 + ... + 1652840.

It is an arithmetic number, because the mean of its divisors is an integer number (29000160).

Almost surely, 2^1356645030 is an apocalyptic number.

1356645030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356645030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856010240).

1356645030 is an abundant number, since it is smaller than the sum of its proper divisors (2355375450).

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

1356645030 is a wasteful number, since it uses less digits than its factorization.

1356645030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1356645030 is about 36832.6625429116. The cubic root of 1356645030 is about 1107.0198527753.

The spelling of 1356645030 in words is "one billion, three hundred fifty-six million, six hundred forty-five thousand, thirty".