1406814140 has 24 divisors (see below), whose sum is σ = 3026367792. Its totient is φ = 549000320.

The previous prime is 1406814137. The next prime is 1406814161. The reversal of 1406814140 is 414186041.

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, 856994 + ... + 858633.

It is an arithmetic number, because the mean of its divisors is an integer number (126098658).

Almost surely, 2^1406814140 is an apocalyptic number.

1406814140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406814140 is an abundant number, since it is smaller than the sum of its proper divisors (1619553652).

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

1406814140 is a wasteful number, since it uses less digits than its factorization.

1406814140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715677 (or 1715675 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1406814140 is about 37507.5211124382. The cubic root of 1406814140 is about 1120.5009822945.

The spelling of 1406814140 in words is "one billion, four hundred six million, eight hundred fourteen thousand, one hundred forty".