141274781 has 8 divisors (see below), whose sum is σ = 146275584. Its totient is φ = 136301760.

The previous prime is 141274753. The next prime is 141274801. The reversal of 141274781 is 187472141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141274781 is a prime.

It is a super-2 number, since 2×141274781² = 39917127493195922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141274751) 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, 3686 + ... + 17208.

It is an arithmetic number, because the mean of its divisors is an integer number (18284448).

Almost surely, 2^141274781 is an apocalyptic number.

It is an amenable number.

141274781 is a deficient number, since it is larger than the sum of its proper divisors (5000803).

141274781 is a wasteful number, since it uses less digits than its factorization.

141274781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13891.

The product of its digits is 12544, while the sum is 35.

The square root of 141274781 is about 11885.9068227881. The cubic root of 141274781 is about 520.8206728073.

The spelling of 141274781 in words is "one hundred forty-one million, two hundred seventy-four thousand, seven hundred eighty-one".