187940065053 has 32 divisors (see below), whose sum is σ = 274388188032. Its totient is φ = 113717318400.

The previous prime is 187940065007. The next prime is 187940065057. The reversal of 187940065053 is 350560049781.

It is not a de Polignac number, because 187940065053 - 2¹⁷ = 187939933981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 187940064993 and 187940065011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187940065057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7150051 + ... + 7176287.

It is an arithmetic number, because the mean of its divisors is an integer number (8574630876).

Almost surely, 2^187940065053 is an apocalyptic number.

187940065053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

187940065053 is a deficient number, since it is larger than the sum of its proper divisors (86448122979).

187940065053 is a wasteful number, since it uses less digits than its factorization.

187940065053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29325.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 187940065053 in words is "one hundred eighty-seven billion, nine hundred forty million, sixty-five thousand, fifty-three".