1151738408 has 8 divisors (see below), whose sum is σ = 2159509530. Its totient is φ = 575869200.

The previous prime is 1151738387. The next prime is 1151738411. The reversal of 1151738408 is 8048371511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1150702084 + 1036324 = 33922^2 + 1018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71983643 + ... + 71983658.

Almost surely, 2^1151738408 is an apocalyptic number.

It is an amenable number.

1151738408 is a deficient number, since it is larger than the sum of its proper divisors (1007771122).

1151738408 is a wasteful number, since it uses less digits than its factorization.

1151738408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143967307 (or 143967303 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 1151738408 is about 33937.2716640569. The cubic root of 1151738408 is about 1048.2172038779.

The spelling of 1151738408 in words is "one billion, one hundred fifty-one million, seven hundred thirty-eight thousand, four hundred eight".