1406131207 has 24 divisors (see below), whose sum is σ = 1589684400. Its totient is φ = 1241630208.

The previous prime is 1406131193. The next prime is 1406131229. The reversal of 1406131207 is 7021316041.

It is a de Polignac number, because none of the positive numbers 2^k-1406131207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406131607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552544 + ... + 555082.

It is an arithmetic number, because the mean of its divisors is an integer number (66236850).

Almost surely, 2^1406131207 is an apocalyptic number.

1406131207 is a deficient number, since it is larger than the sum of its proper divisors (183553193).

1406131207 is a wasteful number, since it uses less digits than its factorization.

1406131207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1406131207 is about 37498.4160598818. The cubic root of 1406131207 is about 1120.3196385205.

Adding to 1406131207 its reverse (7021316041), we get a palindrome (8427447248).

The spelling of 1406131207 in words is "one billion, four hundred six million, one hundred thirty-one thousand, two hundred seven".