1406365401 has 16 divisors (see below), whose sum is σ = 2146898304. Its totient is φ = 802187904.

The previous prime is 1406365393. The next prime is 1406365421. The reversal of 1406365401 is 1045636041.

It is not a de Polignac number, because 1406365401 - 2³ = 1406365393 is a prime.

It is a super-2 number, since 2×1406365401² = 3955727282259781602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1406365421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48420 + ... + 71813.

It is an arithmetic number, because the mean of its divisors is an integer number (134181144).

Almost surely, 2^1406365401 is an apocalyptic number.

It is an amenable number.

1406365401 is a deficient number, since it is larger than the sum of its proper divisors (740532903).

1406365401 is a wasteful number, since it uses less digits than its factorization.

1406365401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120800.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1406365401 is about 37501.5386484341. The cubic root of 1406365401 is about 1120.3818322359.

The spelling of 1406365401 in words is "one billion, four hundred six million, three hundred sixty-five thousand, four hundred one".