70141 has 2 divisors, whose sum is σ = 70142. Its totient is φ = 70140.

The previous prime is 70139. The next prime is 70157. The reversal of 70141 is 14107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64516 + 5625 = 254^2 + 75^2 .

It is an emirp because it is prime and its reverse (14107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70141 - 2¹ = 70139 is a prime.

Together with 70139, it forms a pair of twin primes.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35070 + 35071.

It is an arithmetic number, because the mean of its divisors is an integer number (35071).

2⁷⁰¹⁴¹ is an apocalyptic number.

70141 is the 168-th centered pentagonal number.

It is an amenable number.

70141 is a deficient number, since it is larger than the sum of its proper divisors (1).

70141 is an equidigital number, since it uses as much as digits as its factorization.

70141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 70141 is about 264.8414620108. The cubic root of 70141 is about 41.2405059264.

Adding to 70141 its reverse (14107), we get a palindrome (84248).

It can be divided in two parts, 70 and 141, that multiplied together give a triangular number (9870 = T₁₄₀).

The spelling of 70141 in words is "seventy thousand, one hundred forty-one", and thus it is an iban number.