140388674 has 8 divisors (see below), whose sum is σ = 215719308. Its totient is φ = 68482240.

The previous prime is 140388667. The next prime is 140388683. The reversal of 140388674 is 476883041.

It can be written as a sum of positive squares in 2 ways, for example, as 118701025 + 21687649 = 10895^2 + 4657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 855947 + ... + 856110.

Almost surely, 2^140388674 is an apocalyptic number.

140388674 is a deficient number, since it is larger than the sum of its proper divisors (75330634).

140388674 is a wasteful number, since it uses less digits than its factorization.

140388674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712100.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 140388674 is about 11848.5726566536. The cubic root of 140388674 is about 519.7294870109.

The spelling of 140388674 in words is "one hundred forty million, three hundred eighty-eight thousand, six hundred seventy-four".