1406413140 has 48 divisors (see below), whose sum is σ = 4295954880. Its totient is φ = 340948480.

The previous prime is 1406413139. The next prime is 1406413153. The reversal of 1406413140 is 413146041.

It is a self number, because there is not a number n which added to its sum of digits gives 1406413140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064805 + ... + 1066124.

It is an arithmetic number, because the mean of its divisors is an integer number (89499060).

Almost surely, 2^1406413140 is an apocalyptic number.

1406413140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406413140 is an abundant number, since it is smaller than the sum of its proper divisors (2889541740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1406413140 is a wasteful number, since it uses less digits than its factorization.

1406413140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130952 (or 2130950 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1406413140 is about 37502.1751369171. The cubic root of 1406413140 is about 1120.3945091934.

Adding to 1406413140 its reverse (413146041), we get a palindrome (1819559181).

The spelling of 1406413140 in words is "one billion, four hundred six million, four hundred thirteen thousand, one hundred forty".