140521002 has 8 divisors (see below), whose sum is σ = 281042016. Its totient is φ = 46840332.

The previous prime is 140520983. The next prime is 140521009. The reversal of 140521002 is 200125041.

It is a sphenic number, since it is the product of 3 distinct primes.

140521002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (140521009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11710078 + ... + 11710089.

It is an arithmetic number, because the mean of its divisors is an integer number (35130252).

Almost surely, 2^140521002 is an apocalyptic number.

140521002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140521002 is a wasteful number, since it uses less digits than its factorization.

140521002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23420172.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 140521002 is about 11854.1554739256. The cubic root of 140521002 is about 519.8927318185.

Adding to 140521002 its reverse (200125041), we get a palindrome (340646043).

The spelling of 140521002 in words is "one hundred forty million, five hundred twenty-one thousand, two".