1173139849140 has 192 divisors, whose sum is σ = 4103096352768. Its totient is φ = 244231833600.

The previous prime is 1173139849121. The next prime is 1173139849199. The reversal of 1173139849140 is 419489313711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2428746 + ... + 2871425.

It is an arithmetic number, because the mean of its divisors is an integer number (21370293504).

Almost surely, 2^{1173139849140} is an apocalyptic number.

1173139849140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1173139849140 is an abundant number, since it is smaller than the sum of its proper divisors (2929956503628).

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

1173139849140 is a wasteful number, since it uses less digits than its factorization.

1173139849140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300238 (or 5300236 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 1173139849140 in words is "one trillion, one hundred seventy-three billion, one hundred thirty-nine million, eight hundred forty-nine thousand, one hundred forty".