140709772 has 36 divisors (see below), whose sum is σ = 287190624. Its totient is φ = 60147360.

The previous prime is 140709743. The next prime is 140709797. The reversal of 140709772 is 277907041.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105373 + ... + 106699.

Almost surely, 2^140709772 is an apocalyptic number.

It is an amenable number.

140709772 is an abundant number, since it is smaller than the sum of its proper divisors (146480852).

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

140709772 is a wasteful number, since it uses less digits than its factorization.

140709772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 140709772 is about 11862.1149884833. The cubic root of 140709772 is about 520.1254283231.

The spelling of 140709772 in words is "one hundred forty million, seven hundred nine thousand, seven hundred seventy-two".