751138413 has 4 divisors (see below), whose sum is σ = 1001517888. Its totient is φ = 500758940.

The previous prime is 751138403. The next prime is 751138433. The reversal of 751138413 is 314831157.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314831157 = 3 ⋅104943719.

It is a cyclic number.

It is not a de Polignac number, because 751138413 - 2⁹ = 751137901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (751138403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125189733 + ... + 125189738.

It is an arithmetic number, because the mean of its divisors is an integer number (250379472).

Almost surely, 2^751138413 is an apocalyptic number.

It is an amenable number.

751138413 is a deficient number, since it is larger than the sum of its proper divisors (250379475).

751138413 is a wasteful number, since it uses less digits than its factorization.

751138413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250379474.

The product of its digits is 10080, while the sum is 33.

The square root of 751138413 is about 27406.9044767920. The cubic root of 751138413 is about 909.0197604024.

The spelling of 751138413 in words is "seven hundred fifty-one million, one hundred thirty-eight thousand, four hundred thirteen".