126694140 has 48 divisors (see below), whose sum is σ = 362299392. Its totient is φ = 33065536.

The previous prime is 126694123. The next prime is 126694151. The reversal of 126694140 is 41496621.

It is a super-2 number, since 2×126694140² = 32102810220679200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19644 + ... + 25283.

It is an arithmetic number, because the mean of its divisors is an integer number (7547904).

Almost surely, 2^126694140 is an apocalyptic number.

126694140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126694140 is an abundant number, since it is smaller than the sum of its proper divisors (235605252).

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

126694140 is a wasteful number, since it uses less digits than its factorization.

126694140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44986 (or 44984 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 126694140 is about 11255.8491461107. The cubic root of 126694140 is about 502.2487246466.

The spelling of 126694140 in words is "one hundred twenty-six million, six hundred ninety-four thousand, one hundred forty".