1340431134 has 32 divisors (see below), whose sum is σ = 3162679296. Its totient is φ = 370625760.

The previous prime is 1340431123. The next prime is 1340431151. The reversal of 1340431134 is 4311340431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513457 + ... + 516060.

It is an arithmetic number, because the mean of its divisors is an integer number (98833728).

Almost surely, 2^1340431134 is an apocalyptic number.

1340431134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1340431134 is an abundant number, since it is smaller than the sum of its proper divisors (1822248162).

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

1340431134 is a wasteful number, since it uses less digits than its factorization.

1340431134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029560.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1340431134 is about 36611.8988035311. The cubic root of 1340431134 is about 1102.5919960666.

Adding to 1340431134 its reverse (4311340431), we get a palindrome (5651771565).

The spelling of 1340431134 in words is "one billion, three hundred forty million, four hundred thirty-one thousand, one hundred thirty-four".