140052150 has 144 divisors (see below), whose sum is σ = 434195424. Its totient is φ = 31703040.

The previous prime is 140052149. The next prime is 140052169. The reversal of 140052150 is 51250041.

140052150 is a `hidden beast` number, since 140 + 0 + 521 + 5 + 0 = 666.

It is a super-2 number, since 2×140052150² = 39229209439245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 544822 + ... + 545078.

It is an arithmetic number, because the mean of its divisors is an integer number (3015246).

Almost surely, 2^140052150 is an apocalyptic number.

140052150 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 140052150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217097712).

140052150 is an abundant number, since it is smaller than the sum of its proper divisors (294143274).

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

140052150 is a wasteful number, since it uses less digits than its factorization.

140052150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 140052150 is about 11834.3631007334. The cubic root of 140052150 is about 519.3138756497.

The spelling of 140052150 in words is "one hundred forty million, fifty-two thousand, one hundred fifty".