140258052 has 72 divisors (see below), whose sum is σ = 388288992. Its totient is φ = 42336000.

The previous prime is 140258051. The next prime is 140258099. The reversal of 140258052 is 250852041.

It is a happy number.

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 not an unprimeable number, because it can be changed into a prime (140258051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132927 + ... + 133977.

Almost surely, 2^140258052 is an apocalyptic number.

140258052 is a gapful number since it is divisible by the number (12) 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 140258052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194144496).

140258052 is an abundant number, since it is smaller than the sum of its proper divisors (248030940).

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

140258052 is a wasteful number, since it uses less digits than its factorization.

140258052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 140258052 is about 11843.0592331542. The cubic root of 140258052 is about 519.5682461523.

The spelling of 140258052 in words is "one hundred forty million, two hundred fifty-eight thousand, fifty-two".