190036631 has 4 divisors (see below), whose sum is σ = 190211592. Its totient is φ = 189861672.

The previous prime is 190036621. The next prime is 190036643. The reversal of 190036631 is 136630091.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190036631 is a prime.

It is a super-2 number, since 2×190036631² = 72227842243660322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190036594 and 190036603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190036621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85841 + ... + 88026.

It is an arithmetic number, because the mean of its divisors is an integer number (47552898).

Almost surely, 2^190036631 is an apocalyptic number.

190036631 is a deficient number, since it is larger than the sum of its proper divisors (174961).

190036631 is a wasteful number, since it uses less digits than its factorization.

190036631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174960.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 190036631 is about 13785.3774340785. The cubic root of 190036631 is about 574.9266507571.

The spelling of 190036631 in words is "one hundred ninety million, thirty-six thousand, six hundred thirty-one".