140971934 has 4 divisors (see below), whose sum is σ = 211457904. Its totient is φ = 70485966.

The previous prime is 140971933. The next prime is 140971937. The reversal of 140971934 is 439179041.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140971933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35242982 + ... + 35242985.

It is an arithmetic number, because the mean of its divisors is an integer number (52864476).

Almost surely, 2^140971934 is an apocalyptic number.

140971934 is a deficient number, since it is larger than the sum of its proper divisors (70485970).

140971934 is an equidigital number, since it uses as much as digits as its factorization.

140971934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70485969.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 140971934 is about 11873.1602364324. The cubic root of 140971934 is about 520.4482500765.

The spelling of 140971934 in words is "one hundred forty million, nine hundred seventy-one thousand, nine hundred thirty-four".