1927880136 has 128 divisors (see below), whose sum is σ = 6591110400. Its totient is φ = 508446720.

The previous prime is 1927880113. The next prime is 1927880137. The reversal of 1927880136 is 6310887291.

1927880136 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1927880091 and 1927880100.

It is not an unprimeable number, because it can be changed into a prime (1927880137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29385 + ... + 68696.

It is an arithmetic number, because the mean of its divisors is an integer number (51493050).

Almost surely, 2^1927880136 is an apocalyptic number.

It is an amenable number.

1927880136 is an abundant number, since it is smaller than the sum of its proper divisors (4663230264).

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

1927880136 is a wasteful number, since it uses less digits than its factorization.

1927880136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98116 (or 98106 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1927880136 is about 43907.6318650870. The cubic root of 1927880136 is about 1244.5910574452.

The spelling of 1927880136 in words is "one billion, nine hundred twenty-seven million, eight hundred eighty thousand, one hundred thirty-six".