1025135692 has 24 divisors (see below), whose sum is σ = 2059083936. Its totient is φ = 437455488.

The previous prime is 1025135689. The next prime is 1025135719. The reversal of 1025135692 is 2965315201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72043 + ... + 85090.

It is an arithmetic number, because the mean of its divisors is an integer number (85795164).

Almost surely, 2^1025135692 is an apocalyptic number.

It is an amenable number.

1025135692 is an abundant number, since it is smaller than the sum of its proper divisors (1033948244).

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

1025135692 is a wasteful number, since it uses less digits than its factorization.

1025135692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157377 (or 157375 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1025135692 is about 32017.7402700440. The cubic root of 1025135692 is about 1008.3093278320.

The spelling of 1025135692 in words is "one billion, twenty-five million, one hundred thirty-five thousand, six hundred ninety-two".