140634292 has 12 divisors (see below), whose sum is σ = 247141440. Its totient is φ = 70022456.

The previous prime is 140634289. The next prime is 140634313. The reversal of 140634292 is 292436041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72598 + ... + 74509.

It is an arithmetic number, because the mean of its divisors is an integer number (20595120).

Almost surely, 2^140634292 is an apocalyptic number.

It is an amenable number.

140634292 is a deficient number, since it is larger than the sum of its proper divisors (106507148).

140634292 is a wasteful number, since it uses less digits than its factorization.

140634292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147350 (or 147348 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 140634292 is about 11858.9330042799. The cubic root of 140634292 is about 520.0324092226.

The spelling of 140634292 in words is "one hundred forty million, six hundred thirty-four thousand, two hundred ninety-two".