1138977060 has 96 divisors (see below), whose sum is σ = 3440223360. Its totient is φ = 279892992.

The previous prime is 1138977023. The next prime is 1138977083. The reversal of 1138977060 is 607798311.

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, 794104 + ... + 795536.

It is an arithmetic number, because the mean of its divisors is an integer number (35835660).

Almost surely, 2^1138977060 is an apocalyptic number.

1138977060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1138977060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720111680).

1138977060 is an abundant number, since it is smaller than the sum of its proper divisors (2301246300).

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

1138977060 is a wasteful number, since it uses less digits than its factorization.

1138977060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1138977060 is about 33748.7341984851. The cubic root of 1138977060 is about 1044.3313748211.

The spelling of 1138977060 in words is "one billion, one hundred thirty-eight million, nine hundred seventy-seven thousand, sixty".