1340923454 has 8 divisors (see below), whose sum is σ = 2166107160. Its totient is φ = 618887736.

The previous prime is 1340923453. The next prime is 1340923487. The reversal of 1340923454 is 4543290431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340923453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25786964 + ... + 25787015.

It is an arithmetic number, because the mean of its divisors is an integer number (270763395).

Almost surely, 2^1340923454 is an apocalyptic number.

1340923454 is a deficient number, since it is larger than the sum of its proper divisors (825183706).

1340923454 is a wasteful number, since it uses less digits than its factorization.

1340923454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51573994.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1340923454 is about 36618.6216835096. The cubic root of 1340923454 is about 1102.7269679758.

It can be divided in two parts, 13409 and 23454, that added together give a palindrome (36863).

The spelling of 1340923454 in words is "one billion, three hundred forty million, nine hundred twenty-three thousand, four hundred fifty-four".