1140554142 has 64 divisors (see below), whose sum is σ = 3119477760. Its totient is φ = 300804192.

The previous prime is 1140554141. The next prime is 1140554143. The reversal of 1140554142 is 2414550411.

1140554142 is a `hidden beast` number, since 114 + 0 + 5 + 541 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1140554141) and next prime (1140554143).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140554141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111138 + ... + 120965.

It is an arithmetic number, because the mean of its divisors is an integer number (48741840).

Almost surely, 2^1140554142 is an apocalyptic number.

1140554142 is an abundant number, since it is smaller than the sum of its proper divisors (1978923618).

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

1140554142 is a wasteful number, since it uses less digits than its factorization.

1140554142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232134 (or 232128 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1140554142 is about 33772.0911700771. The cubic root of 1140554142 is about 1044.8131628762.

The spelling of 1140554142 in words is "one billion, one hundred forty million, five hundred fifty-four thousand, one hundred forty-two".