1340192734 has 8 divisors (see below), whose sum is σ = 2038603248. Its totient is φ = 660658320.

The previous prime is 1340192723. The next prime is 1340192761. The reversal of 1340192734 is 4372910431.

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

It is a super-2 number, since 2×1340192734² = 3592233128532789512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1340192734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718847 + ... + 4719130.

It is an arithmetic number, because the mean of its divisors is an integer number (254825406).

Almost surely, 2^1340192734 is an apocalyptic number.

1340192734 is a deficient number, since it is larger than the sum of its proper divisors (698410514).

1340192734 is an equidigital number, since it uses as much as digits as its factorization.

1340192734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9438050.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1340192734 is about 36608.6428866190. The cubic root of 1340192734 is about 1102.5266256769.

The spelling of 1340192734 in words is "one billion, three hundred forty million, one hundred ninety-two thousand, seven hundred thirty-four".