140865070 has 16 divisors (see below), whose sum is σ = 253908288. Its totient is φ = 56268000.

The previous prime is 140865007. The next prime is 140865073. The reversal of 140865070 is 70568041.

140865070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140865070² = 39685935892209800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140865073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869 + ... + 16888.

It is an arithmetic number, because the mean of its divisors is an integer number (15869268).

Almost surely, 2^140865070 is an apocalyptic number.

140865070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140865070 is a deficient number, since it is larger than the sum of its proper divisors (113043218).

140865070 is a wasteful number, since it uses less digits than its factorization.

140865070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19515.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 140865070 is about 11868.6591492047. The cubic root of 140865070 is about 520.3167079562.

The spelling of 140865070 in words is "one hundred forty million, eight hundred sixty-five thousand, seventy".