141639 has 8 divisors (see below), whose sum is σ = 195072. Its totient is φ = 91320.

The previous prime is 141637. The next prime is 141649. The reversal of 141639 is 936141.

141639 = 52² + 53² + ... + 82².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 141639 - 2¹ = 141637 is a prime.

141639 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669 + ... + 854.

It is an arithmetic number, because the mean of its divisors is an integer number (24384).

2¹⁴¹⁶³⁹ is an apocalyptic number.

141639 is a deficient number, since it is larger than the sum of its proper divisors (53433).

141639 is a wasteful number, since it uses less digits than its factorization.

141639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557.

The product of its digits is 648, while the sum is 24.

The square root of 141639 is about 376.3495715422. The cubic root of 141639 is about 52.1267862795.

It can be divided in two parts, 141 and 639, that added together give a triangular number (780 = T₃₉).

The spelling of 141639 in words is "one hundred forty-one thousand, six hundred thirty-nine".