1402167141 has 6 divisors (see below), whose sum is σ = 2025352550. Its totient is φ = 934778088.

The previous prime is 1402167131. The next prime is 1402167163. The reversal of 1402167141 is 1417612041.

It can be written as a sum of positive squares in only one way, i.e., 1080108225 + 322058916 = 32865^2 + 17946^2 .

It is not a de Polignac number, because 1402167141 - 2⁹ = 1402166629 is a prime.

It is a super-2 number, since 2×1402167141² = 3932145382600227762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402167131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77898166 + ... + 77898183.

Almost surely, 2^1402167141 is an apocalyptic number.

It is an amenable number.

1402167141 is a deficient number, since it is larger than the sum of its proper divisors (623185409).

1402167141 is a wasteful number, since it uses less digits than its factorization.

1402167141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155796355 (or 155796352 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1402167141 is about 37445.5223090826. The cubic root of 1402167141 is about 1119.2658722750.

Adding to 1402167141 its reverse (1417612041), we get a palindrome (2819779182).

Subtracting 1402167141 from its reverse (1417612041), we obtain a square (15444900 = 3930²).

The spelling of 1402167141 in words is "one billion, four hundred two million, one hundred sixty-seven thousand, one hundred forty-one".