140155891876 has 405 divisors, whose sum is σ = 361013206995. Its totient is φ = 47440673280.

The previous prime is 140155891807. The next prime is 140155891919. The reversal of 140155891876 is 678198551041.

The square root of 140155891876 is 374374.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1265509476 + 138890382400 = 35574^2 + 372680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 8244464220 + ... + 8244464236.

Almost surely, 2^140155891876 is an apocalyptic number.

140155891876 is the 374374-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140155891876

140155891876 is an abundant number, since it is smaller than the sum of its proper divisors (220857315119).

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

140155891876 is a wasteful number, since it uses less digits than its factorization.

140155891876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 55.

The spelling of 140155891876 in words is "one hundred forty billion, one hundred fifty-five million, eight hundred ninety-one thousand, eight hundred seventy-six".