140747670 has 96 divisors (see below), whose sum is σ = 428500800. Its totient is φ = 31380480.

The previous prime is 140747669. The next prime is 140747671. The reversal of 140747670 is 76747041.

It is an interprime number because it is at equal distance from previous prime (140747669) and next prime (140747671).

It is a super-2 number, since 2×140747670² = 39619813220857800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140747671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23106 + ... + 28554.

It is an arithmetic number, because the mean of its divisors is an integer number (4463550).

Almost surely, 2^140747670 is an apocalyptic number.

140747670 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 140747670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214250400).

140747670 is an abundant number, since it is smaller than the sum of its proper divisors (287753130).

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

140747670 is a wasteful number, since it uses less digits than its factorization.

140747670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 140747670 is about 11863.7123195061. The cubic root of 140747670 is about 520.1721200437.

The spelling of 140747670 in words is "one hundred forty million, seven hundred forty-seven thousand, six hundred seventy".