102134665480 has 32 divisors (see below), whose sum is σ = 234138907800. Its totient is φ = 40083037696.

The previous prime is 102134665447. The next prime is 102134665481. The reversal of 102134665480 is 84566431201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 101265241284 + 869424196 = 318222^2 + 29486^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (102134665481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24086245 + ... + 24090484.

Almost surely, 2^102134665480 is an apocalyptic number.

102134665480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102134665480 is an abundant number, since it is smaller than the sum of its proper divisors (132004242320).

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

102134665480 is a wasteful number, since it uses less digits than its factorization.

102134665480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48176793 (or 48176789 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 102134665480 in words is "one hundred two billion, one hundred thirty-four million, six hundred sixty-five thousand, four hundred eighty".