1340741181 has 16 divisors (see below), whose sum is σ = 1925827904. Its totient is φ = 824788224.

The previous prime is 1340741173. The next prime is 1340741183. The reversal of 1340741181 is 1811470431.

It is not a de Polignac number, because 1340741181 - 2³ = 1340741173 is a prime.

It is a super-2 number, since 2×1340741181² = 3595173828858549522, which contains 22 as substring.

It is a congruent number.

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, 200565 + ... + 207141.

It is an arithmetic number, because the mean of its divisors is an integer number (120364244).

Almost surely, 2^1340741181 is an apocalyptic number.

It is an amenable number.

1340741181 is a deficient number, since it is larger than the sum of its proper divisors (585086723).

1340741181 is a wasteful number, since it uses less digits than its factorization.

1340741181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1340741181 is about 36616.1327968971. The cubic root of 1340741181 is about 1102.6770008033.

The spelling of 1340741181 in words is "one billion, three hundred forty million, seven hundred forty-one thousand, one hundred eighty-one".