140540070 has 32 divisors (see below), whose sum is σ = 367960320. Its totient is φ = 34070240.

The previous prime is 140540069. The next prime is 140540117. The reversal of 140540070 is 70045041.

It is a super-2 number, since 2×140540070² = 39503022551209800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212610 + ... + 213269.

It is an arithmetic number, because the mean of its divisors is an integer number (11498760).

Almost surely, 2^140540070 is an apocalyptic number.

140540070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140540070 is an abundant number, since it is smaller than the sum of its proper divisors (227420250).

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

140540070 is a wasteful number, since it uses less digits than its factorization.

140540070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425900.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 140540070 is about 11854.9597215680. The cubic root of 140540070 is about 519.9162463729.

The spelling of 140540070 in words is "one hundred forty million, five hundred forty thousand, seventy".