140427477 has 12 divisors (see below), whose sum is σ = 205408320. Its totient is φ = 92432808.

The previous prime is 140427457. The next prime is 140427503. The reversal of 140427477 is 774724041.

140427477 is a `hidden beast` number, since 140 + 42 + 7 + 477 = 666.

It is not a de Polignac number, because 140427477 - 2¹⁶ = 140361941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140427457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98043 + ... + 99464.

It is an arithmetic number, because the mean of its divisors is an integer number (17117360).

Almost surely, 2^140427477 is an apocalyptic number.

It is an amenable number.

140427477 is a deficient number, since it is larger than the sum of its proper divisors (64980843).

140427477 is a wasteful number, since it uses less digits than its factorization.

140427477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197592 (or 197589 counting only the distinct ones).

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

The square root of 140427477 is about 11850.2099981393. The cubic root of 140427477 is about 519.7773664800. Note that the first 3 decimals are identical.

The spelling of 140427477 in words is "one hundred forty million, four hundred twenty-seven thousand, four hundred seventy-seven".