196298139 has 24 divisors (see below), whose sum is σ = 282912960. Its totient is φ = 120666672.

The previous prime is 196298131. The next prime is 196298171. The reversal of 196298139 is 931892691.

It is not a de Polignac number, because 196298139 - 2³ = 196298131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196298131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 693492 + ... + 693774.

It is an arithmetic number, because the mean of its divisors is an integer number (11788040).

Almost surely, 2^196298139 is an apocalyptic number.

196298139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

196298139 is a deficient number, since it is larger than the sum of its proper divisors (86614821).

196298139 is an equidigital number, since it uses as much as digits as its factorization.

196298139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 348 counting only the distinct ones).

The product of its digits is 209952, while the sum is 48.

The square root of 196298139 is about 14010.6437753588. The cubic root of 196298139 is about 581.1729523033.

The spelling of 196298139 in words is "one hundred ninety-six million, two hundred ninety-eight thousand, one hundred thirty-nine".