140046270 has 128 divisors (see below), whose sum is σ = 423650304. Its totient is φ = 28836864.

The previous prime is 140046233. The next prime is 140046271. The reversal of 140046270 is 72640041.

It is a super-2 number, since 2×140046270² = 39225915481825800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140046270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140046271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116794 + ... + 117986.

It is an arithmetic number, because the mean of its divisors is an integer number (3309768).

Almost surely, 2^140046270 is an apocalyptic number.

140046270 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 140046270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211825152).

140046270 is an abundant number, since it is smaller than the sum of its proper divisors (283604034).

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

140046270 is a wasteful number, since it uses less digits than its factorization.

140046270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 140046270 is about 11834.1146690405. The cubic root of 140046270 is about 519.3066078610.

The spelling of 140046270 in words is "one hundred forty million, forty-six thousand, two hundred seventy".