1400319425 has 12 divisors (see below), whose sum is σ = 1739732400. Its totient is φ = 1118103120.

The previous prime is 1400319421. The next prime is 1400319463. The reversal of 1400319425 is 5249130041.

It is not a de Polignac number, because 1400319425 - 2² = 1400319421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1400319421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40475 + ... + 66624.

It is an arithmetic number, because the mean of its divisors is an integer number (144977700).

Almost surely, 2^1400319425 is an apocalyptic number.

It is an amenable number.

1400319425 is a deficient number, since it is larger than the sum of its proper divisors (339412975).

1400319425 is a wasteful number, since it uses less digits than its factorization.

1400319425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107632 (or 107627 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1400319425 is about 37420.8421204013. The cubic root of 1400319425 is about 1118.7740159009.

Adding to 1400319425 its reverse (5249130041), we get a palindrome (6649449466).

The spelling of 1400319425 in words is "one billion, four hundred million, three hundred nineteen thousand, four hundred twenty-five".