102134402 has 16 divisors (see below), whose sum is σ = 162404352. Its totient is φ = 48006720.

The previous prime is 102134401. The next prime is 102134407. The reversal of 102134402 is 204431201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (102134401) by changing a digit.

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, 47327 + ... + 49437.

It is an arithmetic number, because the mean of its divisors is an integer number (10150272).

Almost surely, 2^102134402 is an apocalyptic number.

102134402 is a deficient number, since it is larger than the sum of its proper divisors (60269950).

102134402 is a wasteful number, since it uses less digits than its factorization.

102134402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102134402 is about 10106.1566384061. The cubic root of 102134402 is about 467.4380018254.

Adding to 102134402 its reverse (204431201), we get a palindrome (306565603).

The spelling of 102134402 in words is "one hundred two million, one hundred thirty-four thousand, four hundred two".