1352243140 has 48 divisors (see below), whose sum is σ = 3035491200. Its totient is φ = 504753920.

The previous prime is 1352243083. The next prime is 1352243143. The reversal of 1352243140 is 413422531.

It is not an unprimeable number, because it can be changed into a prime (1352243143) 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, 16990 + ... + 54709.

It is an arithmetic number, because the mean of its divisors is an integer number (63239400).

Almost surely, 2^1352243140 is an apocalyptic number.

1352243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352243140 is an abundant number, since it is smaller than the sum of its proper divisors (1683248060).

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

1352243140 is a wasteful number, since it uses less digits than its factorization.

1352243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71772 (or 71770 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1352243140 is about 36772.8587411966. The cubic root of 1352243140 is about 1105.8212440836.

Adding to 1352243140 its reverse (413422531), we get a palindrome (1765665671).

The spelling of 1352243140 in words is "one billion, three hundred fifty-two million, two hundred forty-three thousand, one hundred forty".