102013634 has 16 divisors (see below), whose sum is σ = 162321408. Its totient is φ = 47917632.

The previous prime is 102013627. The next prime is 102013643. The reversal of 102013634 is 436310201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18167 + ... + 23109.

It is an arithmetic number, because the mean of its divisors is an integer number (10145088).

Almost surely, 2^102013634 is an apocalyptic number.

102013634 is a deficient number, since it is larger than the sum of its proper divisors (60307774).

102013634 is a wasteful number, since it uses less digits than its factorization.

102013634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 102013634 is about 10100.1798993879. The cubic root of 102013634 is about 467.2536897283.

Adding to 102013634 its reverse (436310201), we get a palindrome (538323835).

The spelling of 102013634 in words is "one hundred two million, thirteen thousand, six hundred thirty-four".