190147437 has 6 divisors (see below), whose sum is σ = 274657422. Its totient is φ = 126764952.

The previous prime is 190147429. The next prime is 190147457. The reversal of 190147437 is 734741091.

It can be written as a sum of positive squares in only one way, i.e., 149964516 + 40182921 = 12246^2 + 6339^2 .

It is not a de Polignac number, because 190147437 - 2³ = 190147429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190147427) 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 5 ways as a sum of consecutive naturals, for example, 10563738 + ... + 10563755.

It is an arithmetic number, because the mean of its divisors is an integer number (45776237).

Almost surely, 2^190147437 is an apocalyptic number.

It is an amenable number.

190147437 is a deficient number, since it is larger than the sum of its proper divisors (84509985).

190147437 is a wasteful number, since it uses less digits than its factorization.

190147437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21127499 (or 21127496 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 190147437 is about 13789.3958170763. The cubic root of 190147437 is about 575.0383712264.

The spelling of 190147437 in words is "one hundred ninety million, one hundred forty-seven thousand, four hundred thirty-seven".