140492052 has 18 divisors (see below), whose sum is σ = 355132778. Its totient is φ = 46830672.

The previous prime is 140492021. The next prime is 140492057. The reversal of 140492052 is 250294041.

It can be written as a sum of positive squares in only one way, i.e., 82519056 + 57972996 = 9084^2 + 7614^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140492057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1951243 + ... + 1951314.

Almost surely, 2^140492052 is an apocalyptic number.

140492052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140492052 is an abundant number, since it is smaller than the sum of its proper divisors (214640726).

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

140492052 is a wasteful number, since it uses less digits than its factorization.

140492052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902567 (or 3902562 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 140492052 is about 11852.9343202432. The cubic root of 140492052 is about 519.8570267683.

The spelling of 140492052 in words is "one hundred forty million, four hundred ninety-two thousand, fifty-two".