140742477 has 12 divisors (see below), whose sum is σ = 204107904. Its totient is φ = 93453000.

The previous prime is 140742461. The next prime is 140742499. The reversal of 140742477 is 774247041.

140742477 is a `hidden beast` number, since 1 + 407 + 4 + 247 + 7 = 666.

140742477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140742477 - 2⁴ = 140742461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140742457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28893 + ... + 33410.

It is an arithmetic number, because the mean of its divisors is an integer number (17008992).

Almost surely, 2^140742477 is an apocalyptic number.

It is an amenable number.

140742477 is a deficient number, since it is larger than the sum of its proper divisors (63365427).

140742477 is a wasteful number, since it uses less digits than its factorization.

140742477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62560 (or 62557 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The square root of 140742477 is about 11863.4934568195. The cubic root of 140742477 is about 520.1657225735.

The spelling of 140742477 in words is "one hundred forty million, seven hundred forty-two thousand, four hundred seventy-seven".