1402567161 has 4 divisors (see below), whose sum is σ = 1870089552. Its totient is φ = 935044772.

The previous prime is 1402567147. The next prime is 1402567169. The reversal of 1402567161 is 1617652041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1402567161 - 2⁶ = 1402567097 is a prime.

It is a super-2 number, since 2×1402567161² = 3934389282231199842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1402567169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233761191 + ... + 233761196.

It is an arithmetic number, because the mean of its divisors is an integer number (467522388).

Almost surely, 2^1402567161 is an apocalyptic number.

It is an amenable number.

1402567161 is a deficient number, since it is larger than the sum of its proper divisors (467522391).

1402567161 is an equidigital number, since it uses as much as digits as its factorization.

1402567161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467522390.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1402567161 is about 37450.8632877802. The cubic root of 1402567161 is about 1119.3722994740.

The spelling of 1402567161 in words is "one billion, four hundred two million, five hundred sixty-seven thousand, one hundred sixty-one".