1401442339 has 4 divisors (see below), whose sum is σ = 1528846200. Its totient is φ = 1274038480.

The previous prime is 1401442307. The next prime is 1401442351. The reversal of 1401442339 is 9332441041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1401442339 - 2⁵ = 1401442307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401442339.

It is not an unprimeable number, because it can be changed into a prime (1401442639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63701914 + ... + 63701935.

It is an arithmetic number, because the mean of its divisors is an integer number (382211550).

Almost surely, 2^1401442339 is an apocalyptic number.

1401442339 is a deficient number, since it is larger than the sum of its proper divisors (127403861).

1401442339 is a wasteful number, since it uses less digits than its factorization.

1401442339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127403860.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1401442339 is about 37435.8429716762. The cubic root of 1401442339 is about 1119.0729837239.

The spelling of 1401442339 in words is "one billion, four hundred one million, four hundred forty-two thousand, three hundred thirty-nine".