1406431151 has 2 divisors, whose sum is σ = 1406431152. Its totient is φ = 1406431150.

The previous prime is 1406431121. The next prime is 1406431181. The reversal of 1406431151 is 1511346041.

It is a balanced prime because it is at equal distance from previous prime (1406431121) and next prime (1406431181).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406431151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1406431151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406431121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703215575 + 703215576.

It is an arithmetic number, because the mean of its divisors is an integer number (703215576).

Almost surely, 2^1406431151 is an apocalyptic number.

1406431151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406431151 is an equidigital number, since it uses as much as digits as its factorization.

1406431151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1406431151 is about 37502.4152688863. The cubic root of 1406431151 is about 1120.3992918894.

Adding to 1406431151 its reverse (1511346041), we get a palindrome (2917777192).

The spelling of 1406431151 in words is "one billion, four hundred six million, four hundred thirty-one thousand, one hundred fifty-one".