140904084531 has 16 divisors (see below), whose sum is σ = 226011564800. Its totient is φ = 76278902688.

The previous prime is 140904084523. The next prime is 140904084589. The reversal of 140904084531 is 135480409041.

It is not a de Polignac number, because 140904084531 - 2³ = 140904084523 is a prime.

It is a super-2 number, since 2×140904084531² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140904084531.

It is not an unprimeable number, because it can be changed into a prime (140904084131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176571136 + ... + 176571933.

It is an arithmetic number, because the mean of its divisors is an integer number (14125722800).

Almost surely, 2^140904084531 is an apocalyptic number.

140904084531 is a deficient number, since it is larger than the sum of its proper divisors (85107480269).

140904084531 is a wasteful number, since it uses less digits than its factorization.

140904084531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353143098.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 140904084531 in words is "one hundred forty billion, nine hundred four million, eighty-four thousand, five hundred thirty-one".