140542670 has 32 divisors (see below), whose sum is σ = 260124480. Its totient is φ = 54639360.

The previous prime is 140542667. The next prime is 140542679. The reversal of 140542670 is 76245041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140542679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152471 + ... + 153389.

It is an arithmetic number, because the mean of its divisors is an integer number (8128890).

Almost surely, 2^140542670 is an apocalyptic number.

140542670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140542670 is a deficient number, since it is larger than the sum of its proper divisors (119581810).

140542670 is a wasteful number, since it uses less digits than its factorization.

140542670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 140542670 is about 11855.0693798054. The cubic root of 140542670 is about 519.9194525141.

The spelling of 140542670 in words is "one hundred forty million, five hundred forty-two thousand, six hundred seventy".