141730394 has 16 divisors (see below), whose sum is σ = 242417448. Its totient is φ = 61565952.

The previous prime is 141730373. The next prime is 141730397. The reversal of 141730394 is 493037141.

It can be written as a sum of positive squares in 4 ways, for example, as 109977169 + 31753225 = 10487^2 + 5635^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 141730394.

It is not an unprimeable number, because it can be changed into a prime (141730397) 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, 159887 + ... + 160770.

Almost surely, 2^141730394 is an apocalyptic number.

141730394 is a deficient number, since it is larger than the sum of its proper divisors (100687054).

141730394 is a wasteful number, since it uses less digits than its factorization.

141730394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320689.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 141730394 is about 11905.0574967112. The cubic root of 141730394 is about 521.3799564787.

The spelling of 141730394 in words is "one hundred forty-one million, seven hundred thirty thousand, three hundred ninety-four".