1378152588 has 12 divisors (see below), whose sum is σ = 3215689400. Its totient is φ = 459384192.

The previous prime is 1378152577. The next prime is 1378152641. The reversal of 1378152588 is 8852518731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1378152588² = 3798609111622195488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57423013 + ... + 57423036.

Almost surely, 2^1378152588 is an apocalyptic number.

It is an amenable number.

1378152588 is an abundant number, since it is smaller than the sum of its proper divisors (1837536812).

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

1378152588 is a wasteful number, since it uses less digits than its factorization.

1378152588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114846056 (or 114846054 counting only the distinct ones).

The product of its digits is 537600, while the sum is 48.

The square root of 1378152588 is about 37123.4775849462. The cubic root of 1378152588 is about 1112.8392502887.

The spelling of 1378152588 in words is "one billion, three hundred seventy-eight million, one hundred fifty-two thousand, five hundred eighty-eight".