140984031 has 16 divisors (see below), whose sum is σ = 190404864. Its totient is φ = 92782464.

The previous prime is 140984027. The next prime is 140984033. The reversal of 140984031 is 130489041.

It is a happy number.

It is not a de Polignac number, because 140984031 - 2² = 140984027 is a prime.

It is a super-2 number, since 2×140984031² = 39752993994017922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140984031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140984033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143815 + ... + 144791.

It is an arithmetic number, because the mean of its divisors is an integer number (11900304).

Almost surely, 2^140984031 is an apocalyptic number.

140984031 is a deficient number, since it is larger than the sum of its proper divisors (49420833).

140984031 is a wasteful number, since it uses less digits than its factorization.

140984031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 140984031 is about 11873.6696517968. The cubic root of 140984031 is about 520.4631364496.

The spelling of 140984031 in words is "one hundred forty million, nine hundred eighty-four thousand, thirty-one".