193139141 has 8 divisors (see below), whose sum is σ = 208104960. Its totient is φ = 178188912.

The previous prime is 193139137. The next prime is 193139143. The reversal of 193139141 is 141931391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 193139141 - 2² = 193139137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 193139098 and 193139107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193139143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41456 + ... + 45878.

It is an arithmetic number, because the mean of its divisors is an integer number (26013120).

Almost surely, 2^193139141 is an apocalyptic number.

It is an amenable number.

193139141 is a deficient number, since it is larger than the sum of its proper divisors (14965819).

193139141 is a wasteful number, since it uses less digits than its factorization.

193139141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7795.

The product of its digits is 2916, while the sum is 32.

The square root of 193139141 is about 13897.4508813667. The cubic root of 193139141 is about 578.0384997284.

The spelling of 193139141 in words is "one hundred ninety-three million, one hundred thirty-nine thousand, one hundred forty-one".