140197500 has 240 divisors, whose sum is σ = 475847680. Its totient is φ = 35640000.

The previous prime is 140197493. The next prime is 140197537. The reversal of 140197500 is 5791041.

140197500 is a `hidden beast` number, since 140 + 19 + 7 + 500 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2092467 + ... + 2092533.

Almost surely, 2^140197500 is an apocalyptic number.

140197500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140197500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237923840).

140197500 is an abundant number, since it is smaller than the sum of its proper divisors (335650180).

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

140197500 is a wasteful number, since it uses less digits than its factorization.

140197500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 140197500 is about 11840.5025231195. The cubic root of 140197500 is about 519.4934663102.

The spelling of 140197500 in words is "one hundred forty million, one hundred ninety-seven thousand, five hundred".