1140406942 has 12 divisors (see below), whose sum is σ = 1805382216. Its totient is φ = 540192420.

The previous prime is 1140406921. The next prime is 1140406957. The reversal of 1140406942 is 2496040411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 789034 + ... + 790477.

It is an arithmetic number, because the mean of its divisors is an integer number (150448518).

Almost surely, 2^1140406942 is an apocalyptic number.

1140406942 is a deficient number, since it is larger than the sum of its proper divisors (664975274).

1140406942 is a wasteful number, since it uses less digits than its factorization.

1140406942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579551 (or 1579532 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1140406942 is about 33769.9117854933. The cubic root of 1140406942 is about 1044.7682130549.

The spelling of 1140406942 in words is "one billion, one hundred forty million, four hundred six thousand, nine hundred forty-two".