140251650 has 96 divisors (see below), whose sum is σ = 433686528. Its totient is φ = 29140800.

The previous prime is 140251609. The next prime is 140251663. The reversal of 140251650 is 56152041.

It is a self number, because there is not a number n which added to its sum of digits gives 140251650.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5479 + ... + 17621.

It is an arithmetic number, because the mean of its divisors is an integer number (4517568).

Almost surely, 2^140251650 is an apocalyptic number.

140251650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140251650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216843264).

140251650 is an abundant number, since it is smaller than the sum of its proper divisors (293434878).

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

140251650 is a wasteful number, since it uses less digits than its factorization.

140251650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12176 (or 12171 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 140251650 is about 11842.7889451767. The cubic root of 140251650 is about 519.5603408984.

The spelling of 140251650 in words is "one hundred forty million, two hundred fifty-one thousand, six hundred fifty".