70138441 has 2 divisors, whose sum is σ = 70138442. Its totient is φ = 70138440.

The previous prime is 70138423. The next prime is 70138459. The reversal of 70138441 is 14483107.

It is a balanced prime because it is at equal distance from previous prime (70138423) and next prime (70138459).

It can be written as a sum of positive squares in only one way, i.e., 45427600 + 24710841 = 6740^2 + 4971^2 .

It is a cyclic number.

It is not a de Polignac number, because 70138441 - 2⁹ = 70137929 is a prime.

It is not a weakly prime, because it can be changed into another prime (70178441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35069220 + 35069221.

It is an arithmetic number, because the mean of its divisors is an integer number (35069221).

Almost surely, 2^70138441 is an apocalyptic number.

It is an amenable number.

70138441 is a deficient number, since it is larger than the sum of its proper divisors (1).

70138441 is an equidigital number, since it uses as much as digits as its factorization.

70138441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 70138441 is about 8374.8696109253. The cubic root of 70138441 is about 412.4000438555.

The spelling of 70138441 in words is "seventy million, one hundred thirty-eight thousand, four hundred forty-one".