126145694 has 4 divisors (see below), whose sum is σ = 189218544. Its totient is φ = 63072846.

The previous prime is 126145673. The next prime is 126145709. The reversal of 126145694 is 496541621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 496541621 = 821 ⋅604801.

It is a super-2 number, since 2×126145694² = 31825472229483272, 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 as a sum of consecutive naturals, namely, 31536422 + ... + 31536425.

It is an arithmetic number, because the mean of its divisors is an integer number (47304636).

Almost surely, 2^126145694 is an apocalyptic number.

126145694 is a deficient number, since it is larger than the sum of its proper divisors (63072850).

126145694 is an equidigital number, since it uses as much as digits as its factorization.

126145694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63072849.

The product of its digits is 51840, while the sum is 38.

The square root of 126145694 is about 11231.4600119486. The cubic root of 126145694 is about 501.5229485457.

The spelling of 126145694 in words is "one hundred twenty-six million, one hundred forty-five thousand, six hundred ninety-four".