1406312645 has 8 divisors (see below), whose sum is σ = 1776395040. Its totient is φ = 1065836880.

The previous prime is 1406312639. The next prime is 1406312681. The reversal of 1406312645 is 5462136041.

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

It is not a de Polignac number, because 1406312645 - 2⁴ = 1406312629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7401551 + ... + 7401740.

It is an arithmetic number, because the mean of its divisors is an integer number (222049380).

Almost surely, 2^1406312645 is an apocalyptic number.

It is an amenable number.

1406312645 is a deficient number, since it is larger than the sum of its proper divisors (370082395).

1406312645 is a wasteful number, since it uses less digits than its factorization.

1406312645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14803315.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1406312645 is about 37500.8352573646. The cubic root of 1406312645 is about 1120.3678226945.

Adding to 1406312645 its reverse (5462136041), we get a palindrome (6868448686).

The spelling of 1406312645 in words is "one billion, four hundred six million, three hundred twelve thousand, six hundred forty-five".