1146661340 has 72 divisors (see below), whose sum is σ = 2667739536. Its totient is φ = 413670400.

The previous prime is 1146661337. The next prime is 1146661393. The reversal of 1146661340 is 431666411.

It is a junction number, because it is equal to n+sod(n) for n = 1146661297 and 1146661306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315212 + ... + 318828.

It is an arithmetic number, because the mean of its divisors is an integer number (37051938).

Almost surely, 2^1146661340 is an apocalyptic number.

1146661340 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 1146661340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333869768).

1146661340 is an abundant number, since it is smaller than the sum of its proper divisors (1521078196).

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

1146661340 is a wasteful number, since it uses less digits than its factorization.

1146661340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779 (or 3766 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1146661340 is about 33862.3882796238. The cubic root of 1146661340 is about 1046.6746923984.

The spelling of 1146661340 in words is "one billion, one hundred forty-six million, six hundred sixty-one thousand, three hundred forty".