764542141 has 4 divisors (see below), whose sum is σ = 834045984. Its totient is φ = 695038300.

The previous prime is 764542087. The next prime is 764542147. The reversal of 764542141 is 141245467.

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.

It is not a de Polignac number, because 764542141 - 2¹¹ = 764540093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 764542097 and 764542106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764542147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34751905 + ... + 34751926.

It is an arithmetic number, because the mean of its divisors is an integer number (208511496).

Almost surely, 2^764542141 is an apocalyptic number.

It is an amenable number.

764542141 is a deficient number, since it is larger than the sum of its proper divisors (69503843).

764542141 is a wasteful number, since it uses less digits than its factorization.

764542141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69503842.

The product of its digits is 26880, while the sum is 34.

The square root of 764542141 is about 27650.3551695091. The cubic root of 764542141 is about 914.3949301765.

The spelling of 764542141 in words is "seven hundred sixty-four million, five hundred forty-two thousand, one hundred forty-one".