127740534 has 32 divisors (see below), whose sum is σ = 278208000. Its totient is φ = 38947104.

The previous prime is 127740523. The next prime is 127740541. The reversal of 127740534 is 435047721.

It is a junction number, because it is equal to n+sod(n) for n = 127740495 and 127740504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16014 + ... + 22625.

It is an arithmetic number, because the mean of its divisors is an integer number (8694000).

Almost surely, 2^127740534 is an apocalyptic number.

127740534 is an abundant number, since it is smaller than the sum of its proper divisors (150467466).

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

127740534 is a wasteful number, since it uses less digits than its factorization.

127740534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38692.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 127740534 is about 11302.2357965139. The cubic root of 127740534 is about 503.6276618197.

The spelling of 127740534 in words is "one hundred twenty-seven million, seven hundred forty thousand, five hundred thirty-four".