241289139 has 32 divisors (see below), whose sum is σ = 399852544. Its totient is φ = 126023040.

The previous prime is 241289137. The next prime is 241289197. The reversal of 241289139 is 931982142.

It is not a de Polignac number, because 241289139 - 2¹ = 241289137 is a prime.

It is a super-2 number, since 2×241289139² = 116440897198722642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 241289097 and 241289106.

It is not an unprimeable number, because it can be changed into a prime (241289131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23829 + ... + 32409.

It is an arithmetic number, because the mean of its divisors is an integer number (12495392).

Almost surely, 2^241289139 is an apocalyptic number.

241289139 is a deficient number, since it is larger than the sum of its proper divisors (158563405).

241289139 is a wasteful number, since it uses less digits than its factorization.

241289139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707.

The product of its digits is 31104, while the sum is 39.

The square root of 241289139 is about 15533.4844449016. The cubic root of 241289139 is about 622.5571967251.

The spelling of 241289139 in words is "two hundred forty-one million, two hundred eighty-nine thousand, one hundred thirty-nine".