1340741187 has 16 divisors (see below), whose sum is σ = 1999620000. Its totient is φ = 887825952.

The previous prime is 1340741183. The next prime is 1340741189. The reversal of 1340741187 is 7811470431.

1340741187 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1340741187 - 2² = 1340741183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340741183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162612 + ... + 170657.

It is an arithmetic number, because the mean of its divisors is an integer number (124976250).

Almost surely, 2^1340741187 is an apocalyptic number.

1340741187 is a deficient number, since it is larger than the sum of its proper divisors (658878813).

1340741187 is a wasteful number, since it uses less digits than its factorization.

1340741187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333427 (or 333421 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1340741187 is about 36616.1328788282. The cubic root of 1340741187 is about 1102.6770024481.

The spelling of 1340741187 in words is "one billion, three hundred forty million, seven hundred forty-one thousand, one hundred eighty-seven".