1396142250 has 64 divisors (see below), whose sum is σ = 3569844096. Its totient is φ = 363216000.

The previous prime is 1396142219. The next prime is 1396142261. The reversal of 1396142250 is 522416931.

1396142250 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8049 + ... + 53451.

It is an arithmetic number, because the mean of its divisors is an integer number (55778814).

Almost surely, 2^1396142250 is an apocalyptic number.

1396142250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1396142250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784922048).

1396142250 is an abundant number, since it is smaller than the sum of its proper divisors (2173701846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1396142250 is a wasteful number, since it uses less digits than its factorization.

1396142250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45464 (or 45454 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1396142250 is about 37364.9869530286. The cubic root of 1396142250 is about 1117.6604677252.

The spelling of 1396142250 in words is "one billion, three hundred ninety-six million, one hundred forty-two thousand, two hundred fifty".