1406734631 has 2 divisors, whose sum is σ = 1406734632. Its totient is φ = 1406734630.

The previous prime is 1406734619. The next prime is 1406734661. The reversal of 1406734631 is 1364376041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406734631 - 2²⁶ = 1339625767 is a prime.

It is a super-2 number, since 2×1406734631² = 3957804644109412322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1406734591 and 1406734600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406734661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703367315 + 703367316.

It is an arithmetic number, because the mean of its divisors is an integer number (703367316).

Almost surely, 2^1406734631 is an apocalyptic number.

1406734631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406734631 is an equidigital number, since it uses as much as digits as its factorization.

1406734631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1406734631 is about 37506.4611900403. The cubic root of 1406734631 is about 1120.4798727561.

The spelling of 1406734631 in words is "one billion, four hundred six million, seven hundred thirty-four thousand, six hundred thirty-one".