193138046 has 4 divisors (see below), whose sum is σ = 289707072. Its totient is φ = 96569022.

The previous prime is 193138031. The next prime is 193138063. The reversal of 193138046 is 640831391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640831391 = 59 ⋅10861549.

It is a junction number, because it is equal to n+sod(n) for n = 193137997 and 193138015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48284510 + ... + 48284513.

It is an arithmetic number, because the mean of its divisors is an integer number (72426768).

Almost surely, 2^193138046 is an apocalyptic number.

193138046 is a deficient number, since it is larger than the sum of its proper divisors (96569026).

193138046 is an equidigital number, since it uses as much as digits as its factorization.

193138046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96569025.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 193138046 is about 13897.4114855969. The cubic root of 193138046 is about 578.0374073322.

The spelling of 193138046 in words is "one hundred ninety-three million, one hundred thirty-eight thousand, forty-six".