1139728008240 has 120 divisors (see below), whose sum is σ = 3834459699408. Its totient is φ = 303381711360.

The previous prime is 1139728008163. The next prime is 1139728008241. The reversal of 1139728008240 is 428008279311.

It is a happy number.

1139728008240 is a `hidden beast` number, since 11 + 397 + 2 + 8 + 0 + 0 + 8 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1139728008241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1019926 + ... + 1822005.

Almost surely, 2^{1139728008240} is an apocalyptic number.

1139728008240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1139728008240 is an abundant number, since it is smaller than the sum of its proper divisors (2694731691168).

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

1139728008240 is a wasteful number, since it uses less digits than its factorization.

1139728008240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842507 (or 2842498 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 1139728008240 in words is "one trillion, one hundred thirty-nine billion, seven hundred twenty-eight million, eight thousand, two hundred forty".