127900134 has 72 divisors (see below), whose sum is σ = 303717960. Its totient is φ = 40389516.

The previous prime is 127900127. The next prime is 127900139. The reversal of 127900134 is 431009721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 127900098 and 127900107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127900139) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6731577 + ... + 6731595.

It is an arithmetic number, because the mean of its divisors is an integer number (4218305).

Almost surely, 2^127900134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127900134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151858980).

127900134 is an abundant number, since it is smaller than the sum of its proper divisors (175817826).

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

127900134 is an frugal number, since it uses more digits than its factorization.

127900134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 127900134 is about 11309.2941424299. The cubic root of 127900134 is about 503.8373199451.

Adding to 127900134 its reverse (431009721), we get a palindrome (558909855).

The spelling of 127900134 in words is "one hundred twenty-seven million, nine hundred thousand, one hundred thirty-four".