140751642 has 16 divisors (see below), whose sum is σ = 288050400. Its totient is φ = 45826032.

The previous prime is 140751629. The next prime is 140751659. The reversal of 140751642 is 246157041.

It is a super-2 number, since 2×140751642² = 39622049451392328, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 272517 + ... + 273032.

It is an arithmetic number, because the mean of its divisors is an integer number (18003150).

Almost surely, 2^140751642 is an apocalyptic number.

140751642 is an abundant number, since it is smaller than the sum of its proper divisors (147298758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140751642 is a wasteful number, since it uses less digits than its factorization.

140751642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545597.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 140751642 is about 11863.8797195521. The cubic root of 140751642 is about 520.1770132075.

The spelling of 140751642 in words is "one hundred forty million, seven hundred fifty-one thousand, six hundred forty-two".