142001396 has 12 divisors (see below), whose sum is σ = 248704260. Its totient is φ = 70943040.

The previous prime is 142001393. The next prime is 142001399. The reversal of 142001396 is 693100241.

142001396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142001393) and next prime (142001399).

It can be written as a sum of positive squares in 2 ways, for example, as 87684496 + 54316900 = 9364^2 + 7370^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8615 + ... + 18926.

It is an arithmetic number, because the mean of its divisors is an integer number (20725355).

Almost surely, 2^142001396 is an apocalyptic number.

It is an amenable number.

142001396 is a deficient number, since it is larger than the sum of its proper divisors (106702864).

142001396 is a wasteful number, since it uses less digits than its factorization.

142001396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28834 (or 28832 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 142001396 is about 11916.4338625278. The cubic root of 142001396 is about 521.7120542644.

The spelling of 142001396 in words is "one hundred forty-two million, one thousand, three hundred ninety-six".