1194137740 has 12 divisors (see below), whose sum is σ = 2507689296. Its totient is φ = 477655088.

The previous prime is 1194137729. The next prime is 1194137743. The reversal of 1194137740 is 477314911.

It is a self number, because there is not a number n which added to its sum of digits gives 1194137740.

It is not an unprimeable number, because it can be changed into a prime (1194137743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29853424 + ... + 29853463.

It is an arithmetic number, because the mean of its divisors is an integer number (208974108).

Almost surely, 2^1194137740 is an apocalyptic number.

1194137740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1194137740 is an abundant number, since it is smaller than the sum of its proper divisors (1313551556).

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

1194137740 is a wasteful number, since it uses less digits than its factorization.

1194137740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59706896 (or 59706894 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1194137740 is about 34556.2981234970. The cubic root of 1194137740 is about 1060.9253045355.

The spelling of 1194137740 in words is "one billion, one hundred ninety-four million, one hundred thirty-seven thousand, seven hundred forty".