140622132 has 24 divisors (see below), whose sum is σ = 374992576. Its totient is φ = 40177728.

The previous prime is 140622121. The next prime is 140622137. The reversal of 140622132 is 231226041.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 140622099 and 140622108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140622137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836953 + ... + 837120.

Almost surely, 2^140622132 is an apocalyptic number.

140622132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140622132 is an abundant number, since it is smaller than the sum of its proper divisors (234370444).

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

140622132 is a wasteful number, since it uses less digits than its factorization.

140622132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674087 (or 1674085 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140622132 is about 11858.4202995171. The cubic root of 140622132 is about 520.0174205209.

Adding to 140622132 its reverse (231226041), we get a palindrome (371848173).

The spelling of 140622132 in words is "one hundred forty million, six hundred twenty-two thousand, one hundred thirty-two".