472139 has 2 divisors, whose sum is σ = 472140. Its totient is φ = 472138.

The previous prime is 472133. The next prime is 472151. The reversal of 472139 is 931274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472139 - 2⁴ = 472123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236069 + 236070.

It is an arithmetic number, because the mean of its divisors is an integer number (236070).

2⁴⁷²¹³⁹ is an apocalyptic number.

472139 is a deficient number, since it is larger than the sum of its proper divisors (1).

472139 is an equidigital number, since it uses as much as digits as its factorization.

472139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 472139 is about 687.1237152071. The cubic root of 472139 is about 77.8675705970.

The spelling of 472139 in words is "four hundred seventy-two thousand, one hundred thirty-nine".