140673528 has 24 divisors (see below), whose sum is σ = 380991000. Its totient is φ = 46891152.

The previous prime is 140673509. The next prime is 140673539. The reversal of 140673528 is 825376041.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140673492 and 140673501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 976828 + ... + 976971.

It is an arithmetic number, because the mean of its divisors is an integer number (15874625).

Almost surely, 2^140673528 is an apocalyptic number.

140673528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140673528 is an abundant number, since it is smaller than the sum of its proper divisors (240317472).

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

140673528 is a wasteful number, since it uses less digits than its factorization.

140673528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953811 (or 1953804 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 140673528 is about 11860.5871692762. The cubic root of 140673528 is about 520.0807665474.

The spelling of 140673528 in words is "one hundred forty million, six hundred seventy-three thousand, five hundred twenty-eight".