1359870642 has 24 divisors (see below), whose sum is σ = 3173032044. Its totient is φ = 418421664.

The previous prime is 1359870623. The next prime is 1359870643. The reversal of 1359870642 is 2460789531.

1359870642 is a `hidden beast` number, since 13 + 598 + 7 + 0 + 6 + 42 = 666.

1359870642 is digitally balanced in base 4 and base 10, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1347697521 + 12173121 = 36711^2 + 3489^2 .

1359870642 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (1359870643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2905473 + ... + 2905940.

It is a 1-persistent number, because it is pandigital, but 2⋅1359870642 = 2719741284 is not.

Almost surely, 2^1359870642 is an apocalyptic number.

1359870642 is an abundant number, since it is smaller than the sum of its proper divisors (1813161402).

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

1359870642 is a wasteful number, since it uses less digits than its factorization.

1359870642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811434 (or 5811431 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1359870642 is about 36876.4239318294. The cubic root of 1359870642 is about 1107.8965228296.

The spelling of 1359870642 in words is "one billion, three hundred fifty-nine million, eight hundred seventy thousand, six hundred forty-two".