127540434 has 64 divisors (see below), whose sum is σ = 307872000. Its totient is φ = 35167104.

The previous prime is 127540429. The next prime is 127540487. The reversal of 127540434 is 434045721.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58614 + ... + 60750.

It is an arithmetic number, because the mean of its divisors is an integer number (4810500).

Almost surely, 2^127540434 is an apocalyptic number.

127540434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 127540434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153936000).

127540434 is an abundant number, since it is smaller than the sum of its proper divisors (180331566).

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

127540434 is a wasteful number, since it uses less digits than its factorization.

127540434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 127540434 is about 11293.3800963219. The cubic root of 127540434 is about 503.3645541014.

The spelling of 127540434 in words is "one hundred twenty-seven million, five hundred forty thousand, four hundred thirty-four".