672140133 has 16 divisors (see below), whose sum is σ = 1138015360. Its totient is φ = 384079968.

The previous prime is 672140111. The next prime is 672140141. The reversal of 672140133 is 331041276.

It is not a de Polignac number, because 672140133 - 2⁶ = 672140069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 672140097 and 672140106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672148133) 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, 1777960 + ... + 1778337.

It is an arithmetic number, because the mean of its divisors is an integer number (71125960).

Almost surely, 2^672140133 is an apocalyptic number.

672140133 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

672140133 is a deficient number, since it is larger than the sum of its proper divisors (465875227).

672140133 is a wasteful number, since it uses less digits than its factorization.

672140133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556313 (or 3556307 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 672140133 is about 25925.6655266552. The cubic root of 672140133 is about 875.9647081860.

The spelling of 672140133 in words is "six hundred seventy-two million, one hundred forty thousand, one hundred thirty-three".