102387016394 has 16 divisors (see below), whose sum is σ = 168515062632. Its totient is φ = 46363931328.

The previous prime is 102387016393. The next prime is 102387016429. The reversal of 102387016394 is 493610783201.

It can be written as a sum of positive squares in 4 ways, for example, as 44399968369 + 57987048025 = 210713^2 + 240805^2 .

It is a super-2 number, since 2×102387016394² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102387016393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37149209 + ... + 37151964.

Almost surely, 2^102387016394 is an apocalyptic number.

102387016394 is a deficient number, since it is larger than the sum of its proper divisors (66128046238).

102387016394 is a wasteful number, since it uses less digits than its factorization.

102387016394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74301241.

The product of its (nonzero) digits is 217728, while the sum is 44.

Adding to 102387016394 its reverse (493610783201), we get a palindrome (595997799595).

The spelling of 102387016394 in words is "one hundred two billion, three hundred eighty-seven million, sixteen thousand, three hundred ninety-four".