1140402132 has 48 divisors (see below), whose sum is σ = 2976220800. Its totient is φ = 377611200.

The previous prime is 1140402121. The next prime is 1140402139. The reversal of 1140402132 is 2312040411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140402139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18657 + ... + 51272.

It is an arithmetic number, because the mean of its divisors is an integer number (62004600).

Almost surely, 2^1140402132 is an apocalyptic number.

1140402132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140402132 is an abundant number, since it is smaller than the sum of its proper divisors (1835818668).

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

1140402132 is a wasteful number, since it uses less digits than its factorization.

1140402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70093 (or 70085 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1140402132 is about 33769.8405681756. The cubic root of 1140402132 is about 1044.7667441810.

Adding to 1140402132 its reverse (2312040411), we get a palindrome (3452442543).

The spelling of 1140402132 in words is "one billion, one hundred forty million, four hundred two thousand, one hundred thirty-two".