1014345891 has 12 divisors (see below), whose sum is σ = 1577871568. Its totient is φ = 624212784.

The previous prime is 1014345833. The next prime is 1014345911. The reversal of 1014345891 is 1985434101.

It is not a de Polignac number, because 1014345891 - 2¹³ = 1014337699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1014345821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4334695 + ... + 4334928.

Almost surely, 2^1014345891 is an apocalyptic number.

1014345891 is a deficient number, since it is larger than the sum of its proper divisors (563525677).

1014345891 is a wasteful number, since it uses less digits than its factorization.

1014345891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669642 (or 8669639 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1014345891 is about 31848.7973242319. The cubic root of 1014345891 is about 1004.7592770153.

Adding to 1014345891 its reverse (1985434101), we get a palindrome (2999779992).

The spelling of 1014345891 in words is "one billion, fourteen million, three hundred forty-five thousand, eight hundred ninety-one".