140552500 has 120 divisors (see below), whose sum is σ = 354261600. Its totient is φ = 48240000.

The previous prime is 140552497. The next prime is 140552501. The reversal of 140552500 is 5255041.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140552501) 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, 522366 + ... + 522634.

It is an arithmetic number, because the mean of its divisors is an integer number (2952180).

Almost surely, 2^140552500 is an apocalyptic number.

140552500 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 140552500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177130800).

140552500 is an abundant number, since it is smaller than the sum of its proper divisors (213709100).

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

140552500 is a wasteful number, since it uses less digits than its factorization.

140552500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 140552500 is about 11855.4839631286. The cubic root of 140552500 is about 519.9315738365.

The spelling of 140552500 in words is "one hundred forty million, five hundred fifty-two thousand, five hundred".