148767139 has 2 divisors, whose sum is σ = 148767140. Its totient is φ = 148767138.

The previous prime is 148767127. The next prime is 148767181. The reversal of 148767139 is 931767841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148767139 - 2¹⁵ = 148734371 is a prime.

It is not a weakly prime, because it can be changed into another prime (148767239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74383569 + 74383570.

It is an arithmetic number, because the mean of its divisors is an integer number (74383570).

Almost surely, 2^148767139 is an apocalyptic number.

148767139 is a deficient number, since it is larger than the sum of its proper divisors (1).

148767139 is an equidigital number, since it uses as much as digits as its factorization.

148767139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 148767139 is about 12197.0135279092. The cubic root of 148767139 is about 529.8696000541.

The spelling of 148767139 in words is "one hundred forty-eight million, seven hundred sixty-seven thousand, one hundred thirty-nine".