190387051 has 4 divisors (see below), whose sum is σ = 190489104. Its totient is φ = 190285000.

The previous prime is 190387037. The next prime is 190387079. The reversal of 190387051 is 150783091.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 190387051 - 2¹¹ = 190385003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190386998 and 190387016.

It is not an unprimeable number, because it can be changed into a prime (190387091) 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, 48175 + ... + 51976.

It is an arithmetic number, because the mean of its divisors is an integer number (47622276).

Almost surely, 2^190387051 is an apocalyptic number.

190387051 is a deficient number, since it is larger than the sum of its proper divisors (102053).

190387051 is a wasteful number, since it uses less digits than its factorization.

190387051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102052.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 190387051 is about 13798.0814246039. The cubic root of 190387051 is about 575.2798144094.

The spelling of 190387051 in words is "one hundred ninety million, three hundred eighty-seven thousand, fifty-one".