60478139 has 2 divisors, whose sum is σ = 60478140. Its totient is φ = 60478138.

The previous prime is 60478123. The next prime is 60478147. The reversal of 60478139 is 93187406.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60478139 - 2⁴ = 60478123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60478169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30239069 + 30239070.

It is an arithmetic number, because the mean of its divisors is an integer number (30239070).

Almost surely, 2^60478139 is an apocalyptic number.

60478139 is a deficient number, since it is larger than the sum of its proper divisors (1).

60478139 is an equidigital number, since it uses as much as digits as its factorization.

60478139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 60478139 is about 7776.7691877797. The cubic root of 60478139 is about 392.5239310872.

The spelling of 60478139 in words is "sixty million, four hundred seventy-eight thousand, one hundred thirty-nine".