140287702500 has 405 divisors, whose sum is σ = 489230092351. Its totient is φ = 33859320000.

The previous prime is 140287702463. The next prime is 140287702501. The reversal of 140287702500 is 5207782041.

The square root of 140287702500 is 374550.

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

140287702500 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 87 + 70 + 2 + 500 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10998555876 + 129289146624 = 104874^2 + 359568^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (140287702501) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 618007387 + ... + 618007613.

Almost surely, 2^140287702500 is an apocalyptic number.

140287702500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140287702500 is the 374550-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140287702500

140287702500 is an abundant number, since it is smaller than the sum of its proper divisors (348942389851).

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

140287702500 is a wasteful number, since it uses less digits than its factorization.

140287702500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

Multiplying 140287702500 by its sum of digits (36), we get a square (5050357290000 = 2247300²).

140287702500 divided by its sum of digits (36) gives a square (3896880625 = 62425²).

The spelling of 140287702500 in words is "one hundred forty billion, two hundred eighty-seven million, seven hundred two thousand, five hundred".