148705131 has 4 divisors (see below), whose sum is σ = 198273512. Its totient is φ = 99136752.

The previous prime is 148705111. The next prime is 148705157. The reversal of 148705131 is 131507841.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 148705131 - 2⁵ = 148705099 is a prime.

It is a super-2 number, since 2×148705131² = 44226431971454322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148705111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24784186 + ... + 24784191.

It is an arithmetic number, because the mean of its divisors is an integer number (49568378).

Almost surely, 2^148705131 is an apocalyptic number.

148705131 is a deficient number, since it is larger than the sum of its proper divisors (49568381).

148705131 is an equidigital number, since it uses as much as digits as its factorization.

148705131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49568380.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 148705131 is about 12194.4713292541. The cubic root of 148705131 is about 529.7959710695.

The spelling of 148705131 in words is "one hundred forty-eight million, seven hundred five thousand, one hundred thirty-one".