140634627 has 16 divisors (see below), whose sum is σ = 223618560. Its totient is φ = 76868352.

The previous prime is 140634623. The next prime is 140634643. The reversal of 140634627 is 726436041.

It is a happy number.

It is not a de Polignac number, because 140634627 - 2² = 140634623 is a prime.

It is a super-2 number, since 2×140634627² = 39556196622858258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140634623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145102 + ... + 146067.

It is an arithmetic number, because the mean of its divisors is an integer number (13976160).

Almost surely, 2^140634627 is an apocalyptic number.

140634627 is a deficient number, since it is larger than the sum of its proper divisors (82983933).

140634627 is a wasteful number, since it uses less digits than its factorization.

140634627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291202.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 140634627 is about 11858.9471286451. The cubic root of 140634627 is about 520.0328221393.

The spelling of 140634627 in words is "one hundred forty million, six hundred thirty-four thousand, six hundred twenty-seven".