140641262 has 4 divisors (see below), whose sum is σ = 210961896. Its totient is φ = 70320630.

The previous prime is 140641243. The next prime is 140641279. The reversal of 140641262 is 262146041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 262146041 = 107 ⋅2449963.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35160314 + ... + 35160317.

It is an arithmetic number, because the mean of its divisors is an integer number (52740474).

Almost surely, 2^140641262 is an apocalyptic number.

140641262 is a deficient number, since it is larger than the sum of its proper divisors (70320634).

140641262 is an equidigital number, since it uses as much as digits as its factorization.

140641262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70320633.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 140641262 is about 11859.2268719339. The cubic root of 140641262 is about 520.0410002189.

The spelling of 140641262 in words is "one hundred forty million, six hundred forty-one thousand, two hundred sixty-two".