140235006 has 32 divisors (see below), whose sum is σ = 304220448. Its totient is φ = 42920960.

The previous prime is 140234993. The next prime is 140235061. The reversal of 140235006 is 600532041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12585 + ... + 20948.

It is an arithmetic number, because the mean of its divisors is an integer number (9506889).

Almost surely, 2^140235006 is an apocalyptic number.

140235006 is an abundant number, since it is smaller than the sum of its proper divisors (163985442).

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

140235006 is a wasteful number, since it uses less digits than its factorization.

140235006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33596.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 140235006 is about 11842.0862182303. The cubic root of 140235006 is about 519.5397875944.

Adding to 140235006 its reverse (600532041), we get a palindrome (740767047).

The spelling of 140235006 in words is "one hundred forty million, two hundred thirty-five thousand, six".