1334140747 has 4 divisors (see below), whose sum is σ = 1365167320. Its totient is φ = 1303114176.

The previous prime is 1334140729. The next prime is 1334140763. The reversal of 1334140747 is 7470414331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7470414331 = 10631 ⋅702701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1334140747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1334140777) 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, 15513222 + ... + 15513307.

It is an arithmetic number, because the mean of its divisors is an integer number (341291830).

Almost surely, 2^1334140747 is an apocalyptic number.

1334140747 is a deficient number, since it is larger than the sum of its proper divisors (31026573).

1334140747 is an equidigital number, since it uses as much as digits as its factorization.

1334140747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31026572.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 1334140747 is about 36525.8914607159. The cubic root of 1334140747 is about 1100.8645399001.

The spelling of 1334140747 in words is "one billion, three hundred thirty-four million, one hundred forty thousand, seven hundred forty-seven".