1353140232 has 128 divisors (see below), whose sum is σ = 3684268800. Its totient is φ = 412848128.

The previous prime is 1353140231. The next prime is 1353140237. The reversal of 1353140232 is 2320413531.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1353140231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2192788 + ... + 2193404.

It is an arithmetic number, because the mean of its divisors is an integer number (28783350).

Almost surely, 2^1353140232 is an apocalyptic number.

1353140232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1353140232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842134400).

1353140232 is an abundant number, since it is smaller than the sum of its proper divisors (2331128568).

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

1353140232 is a wasteful number, since it uses less digits than its factorization.

1353140232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1353140232 is about 36785.0544650949. The cubic root of 1353140232 is about 1106.0657277542.

Adding to 1353140232 its reverse (2320413531), we get a palindrome (3673553763).

The spelling of 1353140232 in words is "one billion, three hundred fifty-three million, one hundred forty thousand, two hundred thirty-two".