1401533153 has 4 divisors (see below), whose sum is σ = 1411763460. Its totient is φ = 1391302848.

The previous prime is 1401533149. The next prime is 1401533167. The reversal of 1401533153 is 3513351041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3513351041 = 11689 ⋅300569.

It can be written as a sum of positive squares in 2 ways, for example, as 263347984 + 1138185169 = 16228^2 + 33737^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401533153 - 2² = 1401533149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401533123) 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, 5114948 + ... + 5115221.

It is an arithmetic number, because the mean of its divisors is an integer number (352940865).

Almost surely, 2^1401533153 is an apocalyptic number.

It is an amenable number.

1401533153 is a deficient number, since it is larger than the sum of its proper divisors (10230307).

1401533153 is a wasteful number, since it uses less digits than its factorization.

1401533153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10230306.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1401533153 is about 37437.0558805043. The cubic root of 1401533153 is about 1119.0971553210.

Adding to 1401533153 its reverse (3513351041), we get a palindrome (4914884194).

The spelling of 1401533153 in words is "one billion, four hundred one million, five hundred thirty-three thousand, one hundred fifty-three".