1401553151 has 16 divisors (see below), whose sum is σ = 1543069440. Its totient is φ = 1267069440.

The previous prime is 1401553129. The next prime is 1401553163. The reversal of 1401553151 is 1513551041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401553151 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 1401553151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401753151) 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, 89906 + ... + 104336.

It is an arithmetic number, because the mean of its divisors is an integer number (96441840).

Almost surely, 2^1401553151 is an apocalyptic number.

1401553151 is a deficient number, since it is larger than the sum of its proper divisors (141516289).

1401553151 is a wasteful number, since it uses less digits than its factorization.

1401553151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14674.

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 1401553151 is about 37437.3229678619. The cubic root of 1401553151 is about 1119.1024779680.

The spelling of 1401553151 in words is "one billion, four hundred one million, five hundred fifty-three thousand, one hundred fifty-one".