1406926081 has 8 divisors (see below), whose sum is σ = 1535215104. Its totient is φ = 1278701520.

The previous prime is 1406926063. The next prime is 1406926109. The reversal of 1406926081 is 1806296041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1406926081 - 2⁷ = 1406925953 is a prime.

It is a super-2 number, since 2×1406926081² = 3958881994796037122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1406926081.

It is not an unprimeable number, because it can be changed into a prime (1406926051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37216 + ... + 64798.

It is an arithmetic number, because the mean of its divisors is an integer number (191901888).

Almost surely, 2^1406926081 is an apocalyptic number.

1406926081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1406926081 is a deficient number, since it is larger than the sum of its proper divisors (128289023).

1406926081 is a wasteful number, since it uses less digits than its factorization.

1406926081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32231.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1406926081 is about 37509.0133301317. The cubic root of 1406926081 is about 1120.5307011394.

The spelling of 1406926081 in words is "one billion, four hundred six million, nine hundred twenty-six thousand, eighty-one".