1406064653 has 12 divisors (see below), whose sum is σ = 1644673212. Its totient is φ = 1198532160.

The previous prime is 1406064599. The next prime is 1406064677. The reversal of 1406064653 is 3564606041.

It can be written as a sum of positive squares in 2 ways, for example, as 326416489 + 1079648164 = 18067^2 + 32858^2 .

It is not a de Polignac number, because 1406064653 - 2¹⁰ = 1406063629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406064053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70400 + ... + 88137.

It is an arithmetic number, because the mean of its divisors is an integer number (137056101).

Almost surely, 2^1406064653 is an apocalyptic number.

It is an amenable number.

1406064653 is a deficient number, since it is larger than the sum of its proper divisors (238608559).

1406064653 is a wasteful number, since it uses less digits than its factorization.

1406064653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158732 (or 158725 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1406064653 is about 37497.5286252308. The cubic root of 1406064653 is about 1120.3019628514.

The spelling of 1406064653 in words is "one billion, four hundred six million, sixty-four thousand, six hundred fifty-three".