141269987881 has 27 divisors (see below), whose sum is σ = 158872895517. Its totient is φ = 125521871640.

The previous prime is 141269987863. The next prime is 141269987891. The reversal of 141269987881 is 188789962141.

The square root of 141269987881 is 375859.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 141269987881 - 2²⁹ = 140733116969 is a prime.

It is a super-2 number, since 2×141269987881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141269987801) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 194318740 + ... + 194319466.

Almost surely, 2^141269987881 is an apocalyptic number.

141269987881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

141269987881 is the 375859-th square number.

141269987881 is the 187930-th centered octagonal number.

It is an amenable number.

141269987881 is a deficient number, since it is larger than the sum of its proper divisors (17602907636).

141269987881 is an frugal number, since it uses more digits than its factorization.

141269987881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 785 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 64.

Multiplying 141269987881 by its sum of digits (64), we get a square (9041279224384 = 3006872²).

The spelling of 141269987881 in words is "one hundred forty-one billion, two hundred sixty-nine million, nine hundred eighty-seven thousand, eight hundred eighty-one".