1103664140 has 48 divisors (see below), whose sum is σ = 2459745792. Its totient is φ = 414529536.

The previous prime is 1103664113. The next prime is 1103664143. The reversal of 1103664140 is 414663011.

It is not an unprimeable number, because it can be changed into a prime (1103664143) 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, 151829 + ... + 158931.

It is an arithmetic number, because the mean of its divisors is an integer number (51244704).

Almost surely, 2^1103664140 is an apocalyptic number.

1103664140 is a gapful number since it is divisible by the number (10) 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 1103664140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229872896).

1103664140 is an abundant number, since it is smaller than the sum of its proper divisors (1356081652).

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

1103664140 is a wasteful number, since it uses less digits than its factorization.

1103664140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7586 (or 7584 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1103664140 is about 33221.4409681459. The cubic root of 1103664140 is about 1033.4250326762.

The spelling of 1103664140 in words is "one billion, one hundred three million, six hundred sixty-four thousand, one hundred forty".