126900140 has 12 divisors (see below), whose sum is σ = 266490336. Its totient is φ = 50760048.

The previous prime is 126900139. The next prime is 126900173. The reversal of 126900140 is 41009621.

It is a happy number.

It is a super-2 number, since 2×126900140² = 32207291064039200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3172484 + ... + 3172523.

It is an arithmetic number, because the mean of its divisors is an integer number (22207528).

Almost surely, 2^126900140 is an apocalyptic number.

126900140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126900140 is an abundant number, since it is smaller than the sum of its proper divisors (139590196).

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

126900140 is a wasteful number, since it uses less digits than its factorization.

126900140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345016 (or 6345014 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 126900140 is about 11264.9962272519. The cubic root of 126900140 is about 502.5207898794.

Adding to 126900140 its reverse (41009621), we get a palindrome (167909761).

The spelling of 126900140 in words is "one hundred twenty-six million, nine hundred thousand, one hundred forty".