1138460697 has 16 divisors (see below), whose sum is σ = 1839936960. Its totient is φ = 689976000.

The previous prime is 1138460689. The next prime is 1138460699. The reversal of 1138460697 is 7960648311.

It is a happy number.

1138460697 is a `hidden beast` number, since 1 + 1 + 38 + 4 + 606 + 9 + 7 = 666.

It is not a de Polignac number, because 1138460697 - 2³ = 1138460689 is a prime.

It is a super-2 number, since 2×1138460697² = 2592185517227451618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1138460699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916304 + ... + 1916897.

It is an arithmetic number, because the mean of its divisors is an integer number (114996060).

Almost surely, 2^1138460697 is an apocalyptic number.

It is an amenable number.

1138460697 is a deficient number, since it is larger than the sum of its proper divisors (701476263).

1138460697 is a wasteful number, since it uses less digits than its factorization.

1138460697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833221 (or 3833215 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1138460697 is about 33741.0832220900. The cubic root of 1138460697 is about 1044.1735327209.

The spelling of 1138460697 in words is "one billion, one hundred thirty-eight million, four hundred sixty thousand, six hundred ninety-seven".