140634652 has 12 divisors (see below), whose sum is σ = 250754616. Its totient is φ = 68990480.

The previous prime is 140634649. The next prime is 140634653. The reversal of 140634652 is 256436041.

It is a super-2 number, since 2×140634652² = 39556210686322208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140634653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331474 + ... + 331897.

It is an arithmetic number, because the mean of its divisors is an integer number (20896218).

Almost surely, 2^140634652 is an apocalyptic number.

It is an amenable number.

140634652 is a deficient number, since it is larger than the sum of its proper divisors (110119964).

140634652 is a wasteful number, since it uses less digits than its factorization.

140634652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663428 (or 663426 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 140634652 is about 11858.9481827015. The cubic root of 140634652 is about 520.0328529539.

The spelling of 140634652 in words is "one hundred forty million, six hundred thirty-four thousand, six hundred fifty-two".