1401755159 has 8 divisors (see below), whose sum is σ = 1602232320. Its totient is φ = 1201334616.

The previous prime is 1401755141. The next prime is 1401755161. The reversal of 1401755159 is 9515571041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401755159 - 2¹⁶ = 1401689623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401755959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91922 + ... + 106080.

It is an arithmetic number, because the mean of its divisors is an integer number (200279040).

Almost surely, 2^1401755159 is an apocalyptic number.

1401755159 is a deficient number, since it is larger than the sum of its proper divisors (200477161).

1401755159 is a wasteful number, since it uses less digits than its factorization.

1401755159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28309.

The product of its (nonzero) digits is 31500, while the sum is 38.

The square root of 1401755159 is about 37440.0208199728. The cubic root of 1401755159 is about 1119.1562413692.

The spelling of 1401755159 in words is "one billion, four hundred one million, seven hundred fifty-five thousand, one hundred fifty-nine".