190342097137 has 4 divisors (see below), whose sum is σ = 190503268596. Its totient is φ = 190180925680.

The previous prime is 190342097129. The next prime is 190342097191. The reversal of 190342097137 is 731790243091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731790243091 = 571 ⋅1281594121.

It can be written as a sum of positive squares in 2 ways, for example, as 97668125361 + 92673971776 = 312519^2 + 304424^2 .

It is a cyclic number.

It is not a de Polignac number, because 190342097137 - 2³ = 190342097129 is a prime.

It is a super-2 number, since 2×190342097137² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190342098137) 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, 80583958 + ... + 80586319.

It is an arithmetic number, because the mean of its divisors is an integer number (47625817149).

Almost surely, 2^190342097137 is an apocalyptic number.

It is an amenable number.

190342097137 is a deficient number, since it is larger than the sum of its proper divisors (161171459).

190342097137 is a wasteful number, since it uses less digits than its factorization.

190342097137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161171458.

The product of its (nonzero) digits is 285768, while the sum is 46.

The spelling of 190342097137 in words is "one hundred ninety billion, three hundred forty-two million, ninety-seven thousand, one hundred thirty-seven".