1406345111 has 16 divisors (see below), whose sum is σ = 1559023200. Its totient is φ = 1262542848.

The previous prime is 1406345093. The next prime is 1406345117. The reversal of 1406345111 is 1115436041.

It is a cyclic number.

It is not a de Polignac number, because 1406345111 - 2¹⁸ = 1406082967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406345117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23735 + ... + 58103.

It is an arithmetic number, because the mean of its divisors is an integer number (97438950).

Almost surely, 2^1406345111 is an apocalyptic number.

1406345111 is a deficient number, since it is larger than the sum of its proper divisors (152678089).

1406345111 is a wasteful number, since it uses less digits than its factorization.

1406345111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34498.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1406345111 is about 37501.2681252248. The cubic root of 1406345111 is about 1120.3764441965.

The spelling of 1406345111 in words is "one billion, four hundred six million, three hundred forty-five thousand, one hundred eleven".