1140670146 has 96 divisors (see below), whose sum is σ = 2878162560. Its totient is φ = 295004160.

The previous prime is 1140670129. The next prime is 1140670147. The reversal of 1140670146 is 6410760411.

It is a super-2 number, since 2×1140670146² = 2602256763951322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140670147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1976610 + ... + 1977186.

It is an arithmetic number, because the mean of its divisors is an integer number (29980860).

Almost surely, 2^1140670146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140670146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439081280).

1140670146 is an abundant number, since it is smaller than the sum of its proper divisors (1737492414).

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

1140670146 is a wasteful number, since it uses less digits than its factorization.

1140670146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1140670146 is about 33773.8085800225. The cubic root of 1140670146 is about 1044.8485837863.

The spelling of 1140670146 in words is "one billion, one hundred forty million, six hundred seventy thousand, one hundred forty-six".