141035561 has 4 divisors (see below), whose sum is σ = 141096192. Its totient is φ = 140974932.

The previous prime is 141035539. The next prime is 141035567. The reversal of 141035561 is 165530141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141035561 - 2¹⁸ = 140773417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141035561.

It is not an unprimeable number, because it can be changed into a prime (141035567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26681 + ... + 31526.

It is an arithmetic number, because the mean of its divisors is an integer number (35274048).

Almost surely, 2^141035561 is an apocalyptic number.

It is an amenable number.

141035561 is a deficient number, since it is larger than the sum of its proper divisors (60631).

141035561 is an equidigital number, since it uses as much as digits as its factorization.

141035561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60630.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 141035561 is about 11875.8393808606. The cubic root of 141035561 is about 520.5265388987.

The spelling of 141035561 in words is "one hundred forty-one million, thirty-five thousand, five hundred sixty-one".