1591142773140 has 120 divisors (see below), whose sum is σ = 4991914435200. Its totient is φ = 424267284672.

The previous prime is 1591142773111. The next prime is 1591142773147. The reversal of 1591142773140 is 413772411951.

1591142773140 is a `hidden beast` number, since 1 + 5 + 9 + 11 + 427 + 73 + 140 = 666.

It is a super-4 number, since 4×1591142773140⁴ (a number of 50 digits) contains 4444 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591142773147) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21669729 + ... + 21743031.

It is an arithmetic number, because the mean of its divisors is an integer number (41599286960).

Almost surely, 2^{1591142773140} is an apocalyptic number.

1591142773140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1591142773140 is an abundant number, since it is smaller than the sum of its proper divisors (3400771662060).

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

1591142773140 is a wasteful number, since it uses less digits than its factorization.

1591142773140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86723 (or 86712 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 1591142773140 in words is "one trillion, five hundred ninety-one billion, one hundred forty-two million, seven hundred seventy-three thousand, one hundred forty".