770139132 has 48 divisors (see below), whose sum is σ = 2055121152. Its totient is φ = 219888000.

The previous prime is 770139077. The next prime is 770139191. The reversal of 770139132 is 231931077.

It is a happy number.

It is a super-2 number, since 2×770139132² = 1186228565275426848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 770139093 and 770139102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187048 + ... + 191120.

It is an arithmetic number, because the mean of its divisors is an integer number (42815024).

Almost surely, 2^770139132 is an apocalyptic number.

It is an amenable number.

770139132 is an abundant number, since it is smaller than the sum of its proper divisors (1284982020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770139132 is a wasteful number, since it uses less digits than its factorization.

770139132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6338 (or 6336 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 770139132 is about 27751.3807224073. The cubic root of 770139132 is about 916.6208471349.

The spelling of 770139132 in words is "seven hundred seventy million, one hundred thirty-nine thousand, one hundred thirty-two".