140552253 has 40 divisors (see below), whose sum is σ = 222485120. Its totient is φ = 88179840.

The previous prime is 140552249. The next prime is 140552257. The reversal of 140552253 is 352255041.

It is a happy number.

140552253 is a `hidden beast` number, since 1 + 405 + 5 + 2 + 253 = 666.

It is an interprime number because it is at equal distance from previous prime (140552249) and next prime (140552257).

It is not a de Polignac number, because 140552253 - 2² = 140552249 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 Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140552257) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 416901 + ... + 417237.

It is an arithmetic number, because the mean of its divisors is an integer number (5562128).

Almost surely, 2^140552253 is an apocalyptic number.

It is an amenable number.

140552253 is a deficient number, since it is larger than the sum of its proper divisors (81932867).

140552253 is a wasteful number, since it uses less digits than its factorization.

140552253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 140552253 is about 11855.4735460040. The cubic root of 140552253 is about 519.9312692690.

The spelling of 140552253 in words is "one hundred forty million, five hundred fifty-two thousand, two hundred fifty-three".