140574655 has 16 divisors (see below), whose sum is σ = 186578784. Its totient is φ = 101001600.

The previous prime is 140574653. The next prime is 140574667. The reversal of 140574655 is 556475041.

It is a happy number.

It is not a de Polignac number, because 140574655 - 2¹ = 140574653 is a prime.

It is a super-3 number, since 3×140574655³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140574653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26821 + ... + 31630.

It is an arithmetic number, because the mean of its divisors is an integer number (11661174).

Almost surely, 2^140574655 is an apocalyptic number.

140574655 is a deficient number, since it is larger than the sum of its proper divisors (46004129).

140574655 is a wasteful number, since it uses less digits than its factorization.

140574655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58506.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 140574655 is about 11856.4183040242. The cubic root of 140574655 is about 519.9588909809.

The spelling of 140574655 in words is "one hundred forty million, five hundred seventy-four thousand, six hundred fifty-five".