1406545216 has 28 divisors (see below), whose sum is σ = 2830433760. Its totient is φ = 693365120.

The previous prime is 1406545183. The next prime is 1406545223. The reversal of 1406545216 is 6125456041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150226 + ... + 159313.

It is an arithmetic number, because the mean of its divisors is an integer number (101086920).

Almost surely, 2^1406545216 is an apocalyptic number.

1406545216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1406545216 is an abundant number, since it is smaller than the sum of its proper divisors (1423888544).

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

1406545216 is an equidigital number, since it uses as much as digits as its factorization.

1406545216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309622 (or 309612 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1406545216 is about 37503.9360067713. The cubic root of 1406545216 is about 1120.4295801099.

The spelling of 1406545216 in words is "one billion, four hundred six million, five hundred forty-five thousand, two hundred sixteen".