1402561153 has 6 divisors (see below), whose sum is σ = 1631550786. Its totient is φ = 1202195232.

The previous prime is 1402561151. The next prime is 1402561177. The reversal of 1402561153 is 3511652041.

It can be written as a sum of positive squares in only one way, i.e., 1374333184 + 28227969 = 37072^2 + 5313^2 .

It is not a de Polignac number, because 1402561153 - 2¹ = 1402561151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402561151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14311800 + ... + 14311897.

It is an arithmetic number, because the mean of its divisors is an integer number (271925131).

Almost surely, 2^1402561153 is an apocalyptic number.

It is an amenable number.

1402561153 is a deficient number, since it is larger than the sum of its proper divisors (228989633).

1402561153 is an equidigital number, since it uses as much as digits as its factorization.

1402561153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28623711 (or 28623704 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1402561153 is about 37450.7830759251. The cubic root of 1402561153 is about 1119.3707011671.

The spelling of 1402561153 in words is "one billion, four hundred two million, five hundred sixty-one thousand, one hundred fifty-three".