1434000391 has 2 divisors, whose sum is σ = 1434000392. Its totient is φ = 1434000390.

The previous prime is 1434000367. The next prime is 1434000427. The reversal of 1434000391 is 1930004341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434000391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434000301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717000195 + 717000196.

It is an arithmetic number, because the mean of its divisors is an integer number (717000196).

Almost surely, 2^1434000391 is an apocalyptic number.

1434000391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434000391 is an equidigital number, since it uses as much as digits as its factorization.

1434000391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1434000391 is about 37868.1976201667. The cubic root of 1434000391 is about 1127.6727603870.

The spelling of 1434000391 in words is "one billion, four hundred thirty-four million, three hundred ninety-one", and thus it is an aban number.