1401155283 has 16 divisors (see below), whose sum is σ = 2157929856. Its totient is φ = 799232640.

The previous prime is 1401155281. The next prime is 1401155293. The reversal of 1401155283 is 3825511041.

It is not a de Polignac number, because 1401155283 - 2¹ = 1401155281 is a prime.

It is a super-2 number, since 2×1401155283² = 3926472254157620178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1401155283.

It is not an unprimeable number, because it can be changed into a prime (1401155281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248241 + ... + 1249362.

It is an arithmetic number, because the mean of its divisors is an integer number (134870616).

Almost surely, 2^1401155283 is an apocalyptic number.

1401155283 is a deficient number, since it is larger than the sum of its proper divisors (756774573).

1401155283 is a wasteful number, since it uses less digits than its factorization.

1401155283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497634.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1401155283 is about 37432.0088026277. The cubic root of 1401155283 is about 1118.9965723153.

The spelling of 1401155283 in words is "one billion, four hundred one million, one hundred fifty-five thousand, two hundred eighty-three".