1139948055340 has 12 divisors (see below), whose sum is σ = 2393890916256. Its totient is φ = 455979222128.

The previous prime is 1139948055329. The next prime is 1139948055341. The reversal of 1139948055340 is 435508499311.

It is not an unprimeable number, because it can be changed into a prime (1139948055341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28498701364 + ... + 28498701403.

It is an arithmetic number, because the mean of its divisors is an integer number (199490909688).

Almost surely, 2^{1139948055340} is an apocalyptic number.

1139948055340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139948055340 is an abundant number, since it is smaller than the sum of its proper divisors (1253942860916).

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

1139948055340 is a wasteful number, since it uses less digits than its factorization.

1139948055340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56997402776 (or 56997402774 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 1139948055340 in words is "one trillion, one hundred thirty-nine billion, nine hundred forty-eight million, fifty-five thousand, three hundred forty".