140057494 has 8 divisors (see below), whose sum is σ = 210885840. Its totient is φ = 69762216.

The previous prime is 140057461. The next prime is 140057573. The reversal of 140057494 is 494750041.

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

It is a super-2 number, since 2×140057494² = 39232203251120072, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 132609 + ... + 133660.

It is an arithmetic number, because the mean of its divisors is an integer number (26360730).

Almost surely, 2^140057494 is an apocalyptic number.

140057494 is a deficient number, since it is larger than the sum of its proper divisors (70828346).

140057494 is a wasteful number, since it uses less digits than its factorization.

140057494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266534.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 140057494 is about 11834.5888817483. The cubic root of 140057494 is about 519.3204807561.

The spelling of 140057494 in words is "one hundred forty million, fifty-seven thousand, four hundred ninety-four".