126913834 has 4 divisors (see below), whose sum is σ = 190370754. Its totient is φ = 63456916.

The previous prime is 126913817. The next prime is 126913837. The reversal of 126913834 is 438319621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438319621 = 1931 ⋅226991.

It can be written as a sum of positive squares in only one way, i.e., 81956809 + 44957025 = 9053^2 + 6705^2 .

It is a super-2 number, since 2×126913834² = 32214242521159112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126913793 and 126913802.

It is not an unprimeable number, because it can be changed into a prime (126913837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31728457 + ... + 31728460.

Almost surely, 2^126913834 is an apocalyptic number.

126913834 is a deficient number, since it is larger than the sum of its proper divisors (63456920).

126913834 is an equidigital number, since it uses as much as digits as its factorization.

126913834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63456919.

The product of its digits is 31104, while the sum is 37.

The square root of 126913834 is about 11265.6040228654. The cubic root of 126913834 is about 502.5388651738.

The spelling of 126913834 in words is "one hundred twenty-six million, nine hundred thirteen thousand, eight hundred thirty-four".