102134402320 has 40 divisors (see below), whose sum is σ = 237760579224. Its totient is φ = 40802476032.

The previous prime is 102134402299. The next prime is 102134402341. The reversal of 102134402320 is 23204431201.

It is an interprime number because it is at equal distance from previous prime (102134402299) and next prime (102134402341).

It can be written as a sum of positive squares in 4 ways, for example, as 17432449024 + 84701953296 = 132032^2 + 291036^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×102134402320² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102134402291 and 102134402300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737169 + ... + 864688.

Almost surely, 2^102134402320 is an apocalyptic number.

102134402320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102134402320 is an abundant number, since it is smaller than the sum of its proper divisors (135626176904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102134402320 is a wasteful number, since it uses less digits than its factorization.

102134402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602667 (or 1602661 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 102134402320 its reverse (23204431201), we get a palindrome (125338833521).

The spelling of 102134402320 in words is "one hundred two billion, one hundred thirty-four million, four hundred two thousand, three hundred twenty".