4235072137 has 4 divisors (see below), whose sum is σ = 4235313940. Its totient is φ = 4234830336.

The previous prime is 4235072131. The next prime is 4235072143. The reversal of 4235072137 is 7312705324.

4235072137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4235072131) and next prime (4235072143).

It can be written as a sum of positive squares in 2 ways, for example, as 4049540496 + 185531641 = 63636^2 + 13621^2 .

It is a cyclic number.

It is not a de Polignac number, because 4235072137 - 2³ = 4235072129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4235072131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92388 + ... + 130405.

It is an arithmetic number, because the mean of its divisors is an integer number (1058828485).

Almost surely, 2^4235072137 is an apocalyptic number.

It is an amenable number.

4235072137 is a deficient number, since it is larger than the sum of its proper divisors (241803).

4235072137 is a wasteful number, since it uses less digits than its factorization.

4235072137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241802.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 4235072137 is about 65077.4318562126. The cubic root of 4235072137 is about 1617.9071864050.

The spelling of 4235072137 in words is "four billion, two hundred thirty-five million, seventy-two thousand, one hundred thirty-seven".