126139354 has 24 divisors (see below), whose sum is σ = 220214484. Its totient is φ = 53961600.

The previous prime is 126139267. The next prime is 126139361. The reversal of 126139354 is 453931621.

It can be written as a sum of positive squares in 2 ways, for example, as 96491329 + 29648025 = 9823^2 + 5445^2 .

It is a super-2 number, since 2×126139354² = 31822273255074632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11217 + ... + 19444.

Almost surely, 2^126139354 is an apocalyptic number.

126139354 is a deficient number, since it is larger than the sum of its proper divisors (94075130).

126139354 is a wasteful number, since it uses less digits than its factorization.

126139354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30702 (or 30691 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 126139354 is about 11231.1777654884. The cubic root of 126139354 is about 501.5145463333.

The spelling of 126139354 in words is "one hundred twenty-six million, one hundred thirty-nine thousand, three hundred fifty-four".