1406144325 has 24 divisors (see below), whose sum is σ = 2368696608. Its totient is φ = 735791680.

The previous prime is 1406144309. The next prime is 1406144329. The reversal of 1406144325 is 5234416041.

It is not a de Polignac number, because 1406144325 - 2⁴ = 1406144309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1406144292 and 1406144301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406144329) 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, 172899 + ... + 180848.

It is an arithmetic number, because the mean of its divisors is an integer number (98695692).

Almost surely, 2^1406144325 is an apocalyptic number.

1406144325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1406144325 is a deficient number, since it is larger than the sum of its proper divisors (962552283).

1406144325 is a wasteful number, since it uses less digits than its factorization.

1406144325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353813 (or 353808 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1406144325 is about 37498.5909735286. The cubic root of 1406144325 is about 1120.3231223839.

The spelling of 1406144325 in words is "one billion, four hundred six million, one hundred forty-four thousand, three hundred twenty-five".