1340441134 has 4 divisors (see below), whose sum is σ = 2010661704. Its totient is φ = 670220566.

The previous prime is 1340441087. The next prime is 1340441159. The reversal of 1340441134 is 4311440431.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1340441099 and 1340441108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335110282 + ... + 335110285.

It is an arithmetic number, because the mean of its divisors is an integer number (502665426).

Almost surely, 2^1340441134 is an apocalyptic number.

1340441134 is a deficient number, since it is larger than the sum of its proper divisors (670220570).

1340441134 is an equidigital number, since it uses as much as digits as its factorization.

1340441134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670220569.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1340441134 is about 36612.0353708996. The cubic root of 1340441134 is about 1102.5947379438.

Adding to 1340441134 its reverse (4311440431), we get a palindrome (5651881565).

The spelling of 1340441134 in words is "one billion, three hundred forty million, four hundred forty-one thousand, one hundred thirty-four".