141398784 has 108 divisors (see below), whose sum is σ = 422973096. Its totient is φ = 47112192.

The previous prime is 141398783. The next prime is 141398813. The reversal of 141398784 is 487893141.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (108).

It is a super-2 number, since 2×141398784² = 39987232233357312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (193536) is a multiple of the sum of its prime factors (2304).

It is not an unprimeable number, because it can be changed into a prime (141398783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61072 + ... + 63344.

Almost surely, 2^141398784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141398784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211486548).

141398784 is an abundant number, since it is smaller than the sum of its proper divisors (281574312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141398784 is an frugal number, since it uses more digits than its factorization.

141398784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304 (or 2278 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 141398784 is about 11891.1220664830. The cubic root of 141398784 is about 520.9730105394.

The spelling of 141398784 in words is "one hundred forty-one million, three hundred ninety-eight thousand, seven hundred eighty-four".