140842046 has 16 divisors (see below), whose sum is σ = 215142480. Its totient is φ = 69132480.

The previous prime is 140842019. The next prime is 140842049. The reversal of 140842046 is 640248041.

It is a super-2 number, since 2×140842046² = 39672963842932232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140842049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97985 + ... + 99411.

It is an arithmetic number, because the mean of its divisors is an integer number (13446405).

Almost surely, 2^140842046 is an apocalyptic number.

140842046 is a deficient number, since it is larger than the sum of its proper divisors (74300434).

140842046 is a wasteful number, since it uses less digits than its factorization.

140842046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 140842046 is about 11867.6891600682. The cubic root of 140842046 is about 520.2883583102.

The spelling of 140842046 in words is "one hundred forty million, eight hundred forty-two thousand, forty-six".