141939809001 has 45 divisors (see below), whose sum is σ = 217544296629. Its totient is φ = 92228155200.

The previous prime is 141939808999. The next prime is 141939809009. The reversal of 141939809001 is 100908939141.

The square root of 141939809001 is 376749.

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

It can be written as a sum of positive squares in 4 ways, for example, as 30450599001 + 111489210000 = 174501^2 + 333900^2 .

It is not a de Polignac number, because 141939809001 - 2¹ = 141939808999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141939809009) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 139019871 + ... + 139020891.

Almost surely, 2^141939809001 is an apocalyptic number.

141939809001 is the 376749-th square number.

141939809001 is the 188375-th centered octagonal number.

It is an amenable number.

141939809001 is a deficient number, since it is larger than the sum of its proper divisors (75604487628).

141939809001 is an frugal number, since it uses more digits than its factorization.

141939809001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 141939809001 in words is "one hundred forty-one billion, nine hundred thirty-nine million, eight hundred nine thousand, one".